Facebook, Inc. “Facebook.” App Store, 10 July 2008, apps.apple.com/us/app/facebook/id284882215.
Foursquare Labs, Inc. “Foursquare Swarm: Check-in App.” App Store, 14 May 2014, apps.apple.com/us/app/foursquare-swarm-check-in-app/id870161082.
Glympse Inc. “Glympse -Share Your Location.” App Store, 11 Oct. 2009, apps.apple.com/us/app/glympse-share-your-location/id330316698.
Inc. “Snapchat.” App Store, 12 July 2011, apps.apple.com/us/app/snapchat/id447188370.
Kelly, Deirdre. “How to Refine Your Facebook Audience for Better Ad Targeting.” Social Media Marketing | Social Media Examiner, 20 Jan. 2019, http://www.socialmediaexaminer.com/how-to-refine-facebook-audience-for-better-ad-targeting/.
“Snapchat Daily Active Users 2019.” Statista, http://www.statista.com/statistics/545967/snapchat-app-dau/.
Swofford, Ben. “Swarm vs. Foursquare.” Medium, Medium, 25 Feb. 2018, medium.com/@benswofford/swarm-vs-foursquare-c53dfd60ba5c.
Techcrunch. Foursquare’ s New Swarm App. YouTube, 2014, youtu.be/t2GUs0_Goik.
“What Is Foursquare Swarm?” Help Center, support.foursquare.com/hc/en-us/articles/201908440-What-is-Foursquare-Swarm-.
