Internet, Location-based Apps | featured news

Facebook Inc., owner the world’s largest social network, says it’s working on a location-based mobile-advertising product that will allow companies to target users with real-time data showing their whereabouts.

Groupon has acquired Hyperpublic, snapping up the two-year-old location-based technology start-up amid a growth spurt at the daily deals service.

Even as it struggles to become mainstream--just 4% of online adults use location-based social networking services--Foursquare has just released several statistics that point to the company's staggering growth over the past year, as well as usage patterns and the locales in which it has yet to catch on.2010 was "just insane," Foursquare wrote in a blog post.

Mobile check-in app Foursquare's Monday outage happened after staff tried to fix one problem and somehow triggered another.