
1) Facebook acquisition 2) Outdoor locating game
Found on
https://www.crosswordclues.com/clue/gowalla

Gowalla was a location-based social network launched in 2007 and closed in 2012. Users were able to check in at `Spots` in their local vicinity, either through a dedicated mobile application or through the mobile website. Checking-in would sometimes produce virtual `items` for the user, some of which were developed to be promotional tools for ...
Found on
http://en.wikipedia.org/wiki/Gowalla
No exact match found.