Developers: Rackspace gives you $10,000 in prizes for building in their cloud

Get ready for a battle. Rackspace is kicking off the SXSW Interactive King of the Apps contest, an ongoing contest targeted towards developers and startups to build applications using the Rackspace Cloud Files API.  For more information and for contestants to submit their app, please see:  http://www.rackspace.com/kingoftheapps After submitting your application, it will be evaluated…