Foursquare City Guide

Major features include local search and recommendations, tips and expertise, tastes, location detection, ratings, lists, superusers, brands, and Places API.

File: Foursquare on watch phone.jpg smartwatch]]

Foursquare uses proprietary technology, Pilgrim, to detect a user's location. When users opt in to always-on location sharing, Pilgrim determines a user's current location by comparing historical check-in data with the user's current GPS signal, cell tower triangulation, cellular signal strength and surrounding wifi signals.The Verge. May 2014. "Meet Swarm: Foursquare's ambitious plan to split its app in two" https://www.theverge.com/2014/5/1/5666062/foursquare-swarm-new-app {{Webarchive|url=https://web.archive.org/web/20190405104421/https://www.theverge.com/2014/5/1/5666062/foursquare-swarm-new-app |date=April 5, 2019 }}{{cite news |last1=Heath |first1=Alex |title=Foursquare has an amazing 'superpower' that wants to take over your phone |url=https://www.businessinsider.com/inside-foursquares-pilgrim-technology-2015-12 |access-date=December 18, 2018 |work=Business Insider |date=January 1, 2016 |archive-date=December 1, 2018 |archive-url=https://web.archive.org/web/20181201000750/https://www.businessinsider.com/inside-foursquares-pilgrim-technology-2015-12 |url-status=live }}

The service provides ten levels of Superuser. Superuser status is awarded to users after they apply and perform a special test where users should meet quality and quantity criteria.{{cite web|url=https://foursquare.com/superusers|title=Foursquare Superusers|date=February 1, 2017|access-date=May 23, 2017|archive-date=April 12, 2017|archive-url=https://web.archive.org/web/20170412184534/https://foursquare.com/superusers|url-status=live}}{{Non-primary source needed|date=February 2022}} Only Superusers have the ability to edit venue information.{{cite news |last1=Olanoff |first1=Drew |title=If you're a foursquare "superuser", then you need hopscotch for iOS |url=https://thenextweb.com/apps/2012/05/07/if-youre-a-foursquare-superuser-then-you-need-hopscotch-for-ios/ |access-date=August 5, 2018 |work=The Next Web |date=May 6, 2012 |archive-date=February 7, 2019 |archive-url=https://web.archive.org/web/20190207015934/https://thenextweb.com/apps/2012/05/07/if-youre-a-foursquare-superuser-then-you-need-hopscotch-for-ios/ |url-status=live }} Superusers can attain different levels as they contribute more high-quality edits over time.{{cite news |last1=Protalinski |first1=Emil |title=Foursquare details how it rewards and punishes the superusers who maintain its database of 60 million venues |url=https://thenextweb.com/insider/2014/01/03/foursquare-details-rewards-punishes-superusers-maintain-database-60-million-venues/ |access-date=August 5, 2018 |work=The Next Web |date=January 3, 2014 |archive-date=February 7, 2019 |archive-url=https://web.archive.org/web/20190207020146/https://thenextweb.com/insider/2014/01/03/foursquare-details-rewards-punishes-superusers-maintain-database-60-million-venues/ |url-status=live }}

In the past, Foursquare has allowed companies to create pages of tips and users to "follow" the company and receive tips from them when they check-in at certain locations. On July 25, 2012, Foursquare revealed Promoted Updates, an app update expected to create a new revenue generation stream for the company. The new program allowed companies to issue messages to Foursquare users about deals or available products.Taylor, Colleen. July 26, 2012. "Foursquare Rolls Out Its First Big Money-Making Feature: 'Promoted Updates" https://techcrunch.com/2012/07/24/foursquare-rolls-out-its-first-money-making-feature-promoted-updates/ {{Webarchive|url=https://web.archive.org/web/20170708021123/https://techcrunch.com/2012/07/24/foursquare-rolls-out-its-first-money-making-feature-promoted-updates/ |date=July 8, 2017 }}

Foursquare's underlying technology is used by apps such as Uber and Twitter.{{Cite web|url=https://developer.foursquare.com/|title=Foursquare Developer|website=developer.foursquare.com|access-date=April 8, 2019|archive-date=April 7, 2019|archive-url=https://web.archive.org/web/20190407200946/https://developer.foursquare.com/|url-status=live}}{{Cite web|url=https://iotpodcast.com/2019/04/episode-210-hannover-messe-and-haptic-iot/|title=Episode 210: Hannover Messe and haptic IoT – IoT Podcast – Internet of Things|date=April 4, 2019|language=en-US|access-date=April 8, 2019|archive-date=August 7, 2020|archive-url=https://web.archive.org/web/20200807095637/https://iotpodcast.com/2019/04/episode-210-hannover-messe-and-haptic-iot/|url-status=live}}

Earlier versions of Foursquare supported check-ins and location sharing, but these were moved to the service's sibling app, Foursquare Swarm in 2014.

In previous versions of Foursquare, if a user had checked into a venue on more days than anyone else in the past 60 days, then they would be crowned "Mayor" of that venue. Someone else could then earn the title by checking in more times than the previous mayor. Businesses could also incentivize mayorships through rewards for users who were the mayor (such as food and drink discounts). As the service grew, it became difficult to compete for mayorships in high-density areas where the service was popular. The mayorship feature was retired from version 8.0 and reimplemented in Swarm.NPR. July 30, 2014. "Some Loyal Foursquare Users Are Checking Out After Swarm Spinoff" https://www.npr.org/blogs/alltechconsidered/2014/07/30/336531811/some-loyal-foursquare-users-are-checking-out-after-swarm-spinoff {{Webarchive|url=https://web.archive.org/web/20150505114114/http://www.npr.org/blogs/alltechconsidered/2014/07/30/336531811/some-loyal-foursquare-users-are-checking-out-after-swarm-spinoff |date=May 5, 2015 }}

Badges were earned by checking into venues. Some badges were tied to venue "tags" and the badge earned depended on the tags applied to the venue.{{cite web |last=Lowensohn |first=Josh |url=http://news.cnet.com/8301-17939_109-10215732-2.html |title=Foursquare co-creator on privacy, Easter eggs |publisher=CNET |date=April 9, 2009 |access-date=April 21, 2011 |archive-date=June 17, 2011 |archive-url=https://web.archive.org/web/20110617004744/http://news.cnet.com/8301-17939_109-10215732-2.html |url-status=live }} Other badges were specific to a city, venue, event, or date. In September 2010, badges began to be awarded for completing tasks as well as checking in.{{cite web| last = Indvik| first = Lauren| title = Earn Badges on Foursquare, No Checkins required| website = Mashable| date = September 23, 2010| url = http://mashable.com/2010/09/23/foursquare-runkeeper/| access-date = September 23, 2010| archive-date = September 25, 2010| archive-url = https://web.archive.org/web/20100925090123/http://mashable.com/2010/09/23/foursquare-runkeeper/| url-status = live}} In version 8.0, badges were retired, which upset some existing users.

Earlier versions of the app also used a "points" system with users receiving a numerical score for each check-in, with over 100 bonuses to gain additional points, such as being first among friends to check into a place or becoming the venue's mayor.{{cite web |url=http://aboutfoursquare.com/points-leaderboard/ |title=Everything you need to know about the new foursquare points and leaderboard |publisher=Aboutfoursquare.com |date=March 9, 2011 |access-date=February 1, 2013 |url-status=usurped |archive-url=https://web.archive.org/web/20130128204548/http://aboutfoursquare.com/points-leaderboard/ |archive-date=January 28, 2013 }} The use of gamification and game-design principles were integral features.{{Cite web|url=https://centrical.com/what-foursquares-evolution-can-teach-us-about-enterprise-gamification/|title=Checking in and out: Foursquare and Gamification|date=August 31, 2014|website=Centrical|language=en-US|access-date=April 16, 2020|archive-date=February 28, 2021|archive-url=https://web.archive.org/web/20210228123434/https://centrical.com/what-foursquares-evolution-can-teach-us-about-enterprise-gamification/|url-status=live}} In version 8.0 points and leaderboards were retired, but were reimplemented in the Swarm app.{{cite news |last1=Welch |first1=Chris |title=Foursquare finally brings mayorships and true competition to Swarm |url=https://www.theverge.com/2015/6/22/8825205/swarm-app-mayorships-now-available |access-date=December 18, 2018 |work=The Verge |date=June 22, 2015 |archive-date=February 7, 2019 |archive-url=https://web.archive.org/web/20190207015955/https://www.theverge.com/2015/6/22/8825205/swarm-app-mayorships-now-available |url-status=live }}

"Specials" were another feature of the app that acted as an incentive for Foursquare users to check in at new spots or revisit their favorite hangouts. Over 750,000 businesses offered "Specials" that included discounts and freebies.{{cite web|title=Foursquare starts charging merchants for instant verification|url=https://venturebeat.com/2012/05/01/foursquare-business-verification/|website=Venture Beat|date=May 2012|access-date=July 20, 2016|archive-date=August 9, 2016|archive-url=https://web.archive.org/web/20160809084400/http://venturebeat.com/2012/05/01/foursquare-business-verification/|url-status=live}} They were intended for businesses to persuade new and regular customers to visit their venues. "Specials" included anything from a free beer for the first check-in to 10% off at a restaurant.

{{main|Swarm (app)}}

In May 2014, the company launched Swarm, a companion app to Foursquare, that migrated the social networking and location-sharing aspects of the service into a separate application. Swarm acts as a lifelogging tool for the user to keep a record of the places they have been, featuring statistics on the places they have been, and a search capability to recall places they have visited. Swarm also lets the user share where they have been with their friends, and see where their friends have been. Check-ins are rewarded with points, in the form of virtual coins, and friends can challenge each other in a weekly leaderboard. Checking in to different categories of venue also unlocks virtual stickers. Though it is not necessary to use both apps, Swarm works together with Foursquare to improve a user's recommendations: a user's Swarm check-ins help Foursquare understand the kinds of places they like to go.

Foursquare is available for Android and iOS devices. Versions of Foursquare were previously available for Symbian OS, Series 40, MeeGo, WebOS, Maemo, Windows Phone, Bada, BlackBerry OS, PlayStation Vita, and Windows 8.{{cite web |author=Microsoft |url=http://apps.microsoft.com/windows/en-us/app/foursquare/3b4b8be2-f224-4827-9449-019739d9c4c8 |title=Foursquare app for Windows in the Windows Store |publisher=Microsoft.com |date=August 29, 2013 |access-date=August 31, 2013 |archive-date=August 31, 2013 |archive-url=https://web.archive.org/web/20130831020952/http://apps.microsoft.com/windows/en-us/app/foursquare/3b4b8be2-f224-4827-9449-019739d9c4c8 |url-status=live }}{{cite web |author=foursquare |url=https://twitter.com/foursquare |title=Foursquare Twitter Page |via=Twitter |access-date=March 12, 2010 |archive-date=July 24, 2012 |archive-url=https://web.archive.org/web/20120724123407/http://twitter.com/foursquare |url-status=live }}{{Primary source inline|date=November 2024}} Users may also use their mobile browsers to access Foursquare mobile, but feature phone users must search for venues manually instead of using GPS that most smartphone applications can use.{{cite web|url=https://www.windowsphone.com/en-in/store/app/foursquare/26cf3302-469f-e011-986b-78e7d1fa76f8|title=Get Foursquare - Microsoft Store|website=Microsoft Store|access-date=January 3, 2015|archive-date=January 3, 2015|archive-url=https://web.archive.org/web/20150103092040/https://www.windowsphone.com/en-in/store/app/foursquare/26cf3302-469f-e011-986b-78e7d1fa76f8|url-status=live}}

File:Naveen Selvadurai.jpg

Foursquare started out in 2009 in 100 worldwide metro areas.{{cite web |author= Jennifer Van Grove |url= http://mashable.com/2009/11/19/foursquare-50-more-cities/ |title= Foursquare Goes Global With Launch in 50 New Cities |publisher= Mashable.com |date= November 19, 2009 |access-date= March 12, 2010 |archive-date= March 26, 2010 |archive-url= https://web.archive.org/web/20100326150109/http://mashable.com/2009/11/19/foursquare-50-more-cities/ |url-status= live }} In January 2010, Foursquare changed their location model to allow check-ins from any location worldwide.{{cite web |url= http://blog.foursquare.com/2010/01/08/323823770/ |title= foursquare. Everywhere |publisher= Foursquare.tumblr.com |date= January 8, 2010 |access-date= March 12, 2010 |url-status= dead |archive-url= https://web.archive.org/web/20101005135344/http://blog.foursquare.com/2010/01/08/323823770/ |archive-date= October 5, 2010 }}

In September 2010 Foursquare announced version 2.0 of its check-in app which aimed to direct users to new locations and activities, rather than just sharing their location. Foursquare has also created a button that would add any location in the app to a user's to-do list, and the app would now remind the user when there were to-do items nearby.{{cite web |url=https://techcrunch.com/2010/09/20/foursquare-2/ |title=Foursquare 2.0 Goes Beyond The Check-In — By Reshuffling Old Features |author=MG Siegler |date=September 20, 2010 |work=TechCrunch.com |publisher=TechCrunch |access-date=September 20, 2010 |author-link=MG Siegler |archive-date=September 21, 2010 |archive-url=https://web.archive.org/web/20100921105331/http://techcrunch.com/2010/09/20/foursquare-2/ |url-status=live }}

On February 21, 2011, Foursquare reached 7 million users IDs.{{cite web |author= Leena Rao |url= https://techcrunch.com/2011/02/21/foursquare-closing-in-on-7-million-users/ |title= Foursquare Closing In On 7 Million Users |publisher= Techcrunch.com |date= February 21, 2011 |access-date= April 21, 2011 |archive-date= April 27, 2011 |archive-url= https://web.archive.org/web/20110427182117/http://techcrunch.com/2011/02/21/foursquare-closing-in-on-7-million-users/ |url-status= live }} The company was expected to pass 750 million check-ins before the end of June 2011, with an average of about 3 million check-ins per day. On August 8, 2011, President Barack Obama joined Foursquare, with the intention that the staff at the White House would use the service to post tips from places the president has visited.{{cite web |url=http://mashable.com/2011/08/15/obama-joins-foursquare/ |title=President Obama Joins Foursquare |work=mashable |year=2011 |access-date=August 15, 2011 |archive-date=August 17, 2011 |archive-url=https://web.archive.org/web/20110817081232/http://mashable.com/2011/08/15/obama-joins-foursquare/ |url-status=live }}

In 2011, user demographics showed a roughly equal split between male and female user accounts, with 50 percent of users registered outside of the US.{{cite web |url=https://techcrunch.com/2011/06/20/foursquare-now-officially-at-10-million-users/ |title=Foursquare Now Officially At 10 Million Users |publisher=TechCrunch |date=June 20, 2011 |access-date=August 25, 2014 |archive-date=July 8, 2017 |archive-url=https://web.archive.org/web/20170708021113/https://techcrunch.com/2011/06/20/foursquare-now-officially-at-10-million-users/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29 |url-status=live }} Most recent statistics show Foursquare with approximately 55 million monthly active users.{{cite web |url=https://review42.com/resources/foursquare-statistics/ |title=41+ Must Know Foursquare Statistics in 2023 |date=November 12, 2020 |access-date=September 29, 2022 |archive-date=October 7, 2022 |archive-url=https://web.archive.org/web/20221007170824/https://review42.com/resources/foursquare-statistics/ |url-status=live }}

On June 7, 2012, Foursquare launched a major redesign, which they described as a "whole new app". The app's "explore" function now allowed users to browse locations by category or conduct specific searches like "free wi-fi" or "dumplings".{{cite web|title=The #allnew4sq is here. Download it now!|url=http://blog.foursquare.com/2012/06/07/the-allnew4sq-is-here-download-it-now/|access-date=June 7, 2012|url-status=dead|archive-url=https://web.archive.org/web/20120609115136/http://blog.foursquare.com/2012/06/07/the-allnew4sq-is-here-download-it-now/|archive-date=June 9, 2012}} Foursquare incorporated features from social discovery,{{cite news|last=Scott|first=Cameron|title=Glancee CEO explains social discovery apps at SXSW|work=Computerworld |date=March 10, 2012|url=http://www.computerworld.com/s/article/9225080/Glancee_CEO_explains_social_discovery_apps_at_SXSW|access-date=March 10, 2012|archive-date=March 11, 2012|archive-url=https://web.archive.org/web/20120311192914/http://www.computerworld.com/s/article/9225080/Glancee_CEO_explains_social_discovery_apps_at_SXSW|url-status=live}} and local search applications as well as the "like" feature made famous by Facebook.

In May 2014, Foursquare launched Swarm, a companion app to Foursquare City Guide, which moved the social networking and location-sharing aspects of the service to a separate application.NICK SUMMERS, The Next Web. "[https://thenextweb.com/apps/2014/05/15/can-foursquares-new-swarm-app-save-check/ Back to basics: Swarm redefines the Foursquare check-in to help you meet nearby friends] {{Webarchive|url=https://web.archive.org/web/20190425054753/https://thenextweb.com/apps/2014/05/15/can-foursquares-new-swarm-app-save-check/ |date=2019-04-25 }}." May 15, 2014. Retrieved January 12, 2017. On August 7, 2014, the company launched Foursquare 8.0, a new version of the service which removed location-sharing and check-in features, pivoting to local search instead.

Foursquare Day was coined by Nate Bonilla-Warford, an optometrist from Tampa, Florida, on March 12, 2010. The idea came to him while "thinking about new ways to promote his business".{{Citation |title= Tampa leads the world in using foursquare to promote local businesses |url= http://cltampa.com/dailyloaf/archives/2010/04/14/tampa-leads-the-world-in-using-foursquare-to-promote-local-businesses |date= April 14, 2010 |author= Gorzka, Julia |journal= Creative Loafing |access-date= April 30, 2010 |archive-date= September 12, 2013 |archive-url= https://web.archive.org/web/20130912131152/http://cltampa.com/dailyloaf/archives/2010/04/14/tampa-leads-the-world-in-using-foursquare-to-promote-local-businesses |url-status= live }}

In 2010, McDonald's launched a spring pilot program that took advantage of Foursquare Day. Foursquare users who checked into McDonald's restaurants on Foursquare Day were given the chance to win gift cards in $5 and $10 increments. Mashable reported that there was a "33% increase in foot traffic" to McDonald's venues, as apparent in the increase in Foursquare check-ins.{{cite web| last = Van Grove| first = Jennifer| title = McDonald's Foursquare Day Campaign Brought in 33% More Foot Traffic| website = Mashable| date = September 17, 2010| url = http://mashable.com/2010/09/16/mcdonalds-foursquare-campaign/| access-date = September 17, 2010| archive-date = September 18, 2010| archive-url = https://web.archive.org/web/20100918094649/http://mashable.com/2010/09/16/mcdonalds-foursquare-campaign/| url-status = live}}

In February 2010, a site known as Please Rob Me was launched,{{cite news |title=The dark side of geo: PleaseRobMe.com |first=Caroline |last=McCarthy |publisher=CNET |date=February 17, 2010 |url=http://news.cnet.com/8301-13577_3-10454981-36.html |access-date=October 12, 2010 |archive-date=June 3, 2011 |archive-url=https://web.archive.org/web/20110603153811/http://news.cnet.com/8301-13577_3-10454981-36.html |url-status=dead }} a site which scraped data from public Twitter messages that had been pushed through Foursquare, to list people who were not at home. The purpose of the site was to raise awareness about the potential thoughtlessness of location sharing.

In March 2010, a privacy issue was observed for users who connected their Twitter account to Foursquare. If the user was joined at a location by one of their Foursquare contacts who was also using Twitter, that user could allow Foursquare to post a message such as "I am at Starbucks – Santa Clara (link to map) w/@mediaphyter" to their own Twitter feed. Similarly, if a user had agreed to Foursquare location sharing, that user's Foursquare contacts would be able to share their location publicly on Twitter.{{cite news |title=Foursquare's privacy loopholes |first=Jennifer |last=Leggio |newspaper=ZDNet US Edition |date=March 25, 2010 |url=https://www.zdnet.com/article/foursquares-privacy-loopholes/?pg=2 |access-date=April 26, 2011 |archive-date=May 6, 2011 |archive-url=https://web.archive.org/web/20110506065005/http://www.zdnet.com/blog/feeds/foursquares-privacy-loopholes/2607?pg=2 |url-status=live }}

Later in 2010, white hat hacker Jesper Andersen discovered a vulnerability on Foursquare that raised privacy concerns.{{cite news |title=White Hat Uses Foursquare Privacy Hole to Capture 875K Check-Ins |first=Ryan |last=Singal |newspaper=Wired News |date=June 16, 2010 |url=https://www.wired.com/threatlevel/2010/06/foursquare-privacy/ |access-date=October 12, 2010 |archive-date=October 15, 2010 |archive-url=https://web.archive.org/web/20101015232608/http://www.wired.com/threatlevel/2010/06/foursquare-privacy/ |url-status=live }}{{cite news |title=Foursquare Checks in to Almighty Security Row, Loyalty to Users Questioned |first=Addy |last=Dugdale |newspaper=Fast Company |date=July 1, 2010 |url=https://www.fastcompany.com/1665845/foursquare-checks-almighty-security-row-loyalty-users-questioned |access-date=October 12, 2010 |archive-date=October 15, 2010 |archive-url=https://web.archive.org/web/20101015232608/http://www.wired.com/threatlevel/2010/06/foursquare-privacy/ |url-status=live }} Foursquare's location pages display a grid of 50 randomly generated photos regardless of their privacy settings. Whenever a user "checks in" at that location, their picture is generated on that location page, even if they only want their friends to know where they are. Andersen then crafted a script that collected check-in information. It is estimated that Andersen collected around 875,000 check-ins. Andersen contacted Foursquare about the vulnerability, and Foursquare responded by fixing their privacy settings.

In 2011, in response to privacy issues regarding social networking sites, Foursquare co-founder Naveen Selvadurai stated that "Users decide if they want to push to Twitter or Facebook, over what information they want to share and send" and "There is a lot of misunderstanding about location-based services. On Foursquare, if you don't want people to know you are on a date or with a friend at a certain place, then you don't have to let people know. You don't check in." Selvadurai also stated that Foursquare does not passively track users, which means a user has to actively check in to let people know where they are.{{cite news |title=foursquare founder Selvadurai talks about privacy, future |first=Cecilia |last=Kang |newspaper=The Washington Post |date=April 8, 2011 |url=https://www.washingtonpost.com/blogs/post-tech/post/foursquare-founder-selvadurai-talks-about-privacy-future/2011/04/08/AFGYa21C_blog.html |access-date=April 12, 2011 |archive-date=November 12, 2012 |archive-url=https://web.archive.org/web/20121112062444/http://www.washingtonpost.com/blogs/post-tech/post/foursquare-founder-selvadurai-talks-about-privacy-future/2011/04/08/AFGYa21C_blog.html |url-status=live }}

On May 8, 2012, Foursquare developers changed its API{{cite web|last=Patil|first=Akshay|title=Changes coming to foursquare's "here now" feature|url=https://groups.google.com/forum/?fromgroups#!topic/foursquare-api/sQMuHlv9wiU|access-date=May 18, 2012|archive-date=July 8, 2019|archive-url=https://web.archive.org/web/20190708011907/https://groups.google.com/forum/?fromgroups#!topic/foursquare-api/sQMuHlv9wiU|url-status=live}} in response to a number of "stalker" applications which had been making the locations of all female users within a specific area available to the public.{{cite web|last=Thompson|first=Chris|title=Foursquare alters API to eliminate apps like Girls Around Me|url=http://aboutfoursquare.com/foursquare-api-change-girls-around-me/|access-date=May 18, 2012|url-status=usurped|archive-url=https://web.archive.org/web/20120513114108/http://aboutfoursquare.com/foursquare-api-change-girls-around-me/|archive-date=May 13, 2012}}

In late December 2012, Foursquare updated its privacy policy to indicate it would display users' full names, as opposed to an initial for a surname. In addition, companies could view a more detailed overview of visitors who have checked into their businesses throughout the day.Rosen, Kenneth. December 31, 2012. "Foursquare Updates Privacy Policy to Display Full Names." http://mashable.com/2012/12/30/foursquare-privacy/ {{Webarchive|url=https://web.archive.org/web/20130101201448/http://mashable.com/2012/12/30/foursquare-privacy/ |date=January 1, 2013 }}

Foursquare has since updated both its privacy policy and cookies policy to detail how location data is used in new features and products.{{cite web |title=Foursquare Labs, Inc. Privacy Policy |url=https://foursquare.com/legal/privacy |website=Foursquare |date=May 25, 2018 |access-date=August 7, 2018 |archive-date=August 6, 2018 |archive-url=https://web.archive.org/web/20180806212749/https://foursquare.com/legal/privacy |url-status=live }}

• Gowalla
• Jiepang – a similar service often dubbed the "Foursquare of China"
• Digu – a similar social network from China

{{reflist}}

• {{Official website|1=https://foursquare.com/city-guide}}

{{Online social networking}}

{{Volunteered geographic information}}

{{Andreessen Horowitz}}

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