The keynote speakers this year include humorist Baratunde Thurston, "cyber anthropologist" Amber Case, Code for America founder Jennifer Pahlka and futurist Ray Kurzweil.

CNN: The changing culture of SXSW Interactive

Today geographic information systems leader Esri announced its acquisition of geo-locating platform Geoloqi, the 2010 FORBES Name You Need To Know company led by 26-year-old CEO Amber Case.

FORBES: Amber Case On Geoloqi Acquistion: 'Esri Is A Beautiful Match'

Police never issued an Amber Alert on either case because they had no specific evidence of an abduction.

WSJ: Lapse in Missing-Persons List Questioned by Cleveland Officials