“Foursquare And Gowalla Line Up For A SXSW Brawl With Site Updates” via TechCrunch
“Last year at the SXSW festival in Austin, Texas, both Foursquare and Gowalla had their public unveilings. This year, with each rapidly gaining adopters (and mainstream interest), the two will likely battle it out for geolocation supremacy, along with a range of other competitors. And both Foursquare and Gowalla have already begun position themselves for the big battle.” Read More here