Forrester Research: only 4% of Americans use location-based apps like @Foursquare and @Gowalla. http://bit.ly/dmluj4

Forrester Research: only 4% of Americans use location-based apps like @Foursquare and @Gowalla. http://bit.ly/dmluj4

Forrester Research: only 4% of Americans use location-based apps like @Foursquare and @Gowalla. http://bit.ly/dmluj4