GPS Film, an open source location-based app developed in Singapore, lets users experience a place through location-based video.

DreamWalk Mobile has developed a location-based mobile advertising application that adds a "finders, keepers" game element similar to the game of geocaching.

The History Channel has set up a dedicated page at Foursquare to promote its forthcoming documentary series, America - The Story of Us.

The Foursquare location-based social network plans to use smartphone GPS systems to catch users who cheat on their check-ins at venues.

Trevor Hawthorn, founder and managing principal at Stratum Security, has warned that a free iTunes location-based game called Underworld: SweetDeal could expose players to physical as well as digital security risks.

Glu Mobile, a global publisher of mobile games, has announced the availability of its 1000: Find 'Em All! location-based game.

Noticings, a geotagging app, turns photos into a game. Judging by some of the submissions on the Noticings website it also generates some amusing and creative photography.

Gowalla has launched a location-based game with prizes to coincide with the holiday shopping season.

DarkOrbit, a location-based game for GPS mobile phones, challenges you to find geocached virtual artefacts in real geographical locations and beam your treasures up to your spaceship.

Tarver Games is getting ready to add apps to the world's somewhat thin list of location-based fantasy games. The company has announced a game studio to develop games for the iPhone, and its first major production, Ghosts Attack, is due for imminent release on Apple's app store.