"Storytelling" has been marketing's go-to buzzword for a couple years running. Agencies, brands and marketers all claim to be storytellers. But what does it really mean to be "social media storyteller" in an age when we are all storytellers?
Sure, location-based services like Foursquare and Gowalla were well represented at this year's SXSW Interactive conference. And here are three more interesting start-ups that picked up steam during the conference.