In recent years, this structuring concept is widely used for exploring location and routing based issues.
"We want the average consumer to really start to discover and explore location based Foursquare content," say INQ CEO Frank Meehan.
While rivals are focusing very much on exploring locations, Pin Drop's exploration feature is secondary to the content that the user creates themselves because of the option to make pins private.
Teenagers explore locations throughout Michigan on field trips that double as photo shoots.
spokesman, said the company, based in Stamford since the early 1980's, has outgrown that space and is "exploring locations in Westchester and Fairfield".
Missions always involve exploring locations, smashing stuff up to reveal hidden items, and occasionally building objects that give you access to new areas.
The appeal is supposed to be that you get to explore locations from the movies, meet some important characters and use famous weapons.
Interestingly, Twitter says it is "starting with US-wide offers but will explore location-based deals in the future".
In particular, he says Loopt has been exploring location-based social gaming, local reviews, and augmented reality (which is another area GraffitiGeo has experimented in), so the company seemed like a good fit.
Finally, it's worth pointing out that at the end of the list of questions presented on the introductory page, Twitter makes it clear that while it is kicking things off with US-wide offers, the company will explore location-based and even thematic (e.g. fashion or music) deals in the future.
