12. Reference:
Leveraging the Google Cloud Platform
https://www.nianticlabs.com/blog/
These Charts Show That Pokemon Go Is Already in Decline
http://www.bloomberg.com/news/articles/2016-08-22/these-charts-show-that-pok
emon-go-is-already-in-decline
Pokémon GO Usage and Revenue Statistics
http://www.businessofapps.com/pokemon-go-usage-revenue-statistics/
Wikipedia
https://en.wikipedia.org/wiki/Pok%C3%A9mon_Go
https://en.wikipedia.org/wiki/Ingress_(video_game)
https://en.wikipedia.org/wiki/John_Hanke
https://en.wikipedia.org/wiki/Niantic,_Inc.