The finalists have been announced for the SXSW Accelerator 2012. A handful of Austin-based companies made the cut out of the 670 that submitted. Here are the local companies you will be seeing up on stage! Umbel Austin, TX umbel.com Umbel empowers publishers, advertisers and agencies with a deep understanding of audience engagement by leveraging vast amounts of aggregated, real-time social data. The knowledge and insights Umbel provides to clients translates into more effective research, [...]












