ShareSquare the platform for connecting offline audiences with bands and brands through QR Codes tied to HTML5 mobile web apps and real-time analytics has come out of private beta. The mobile web app CMS and QR Code tracking platform is now available to the public with plans ranging from Free to Enterprise at $499/month. You can use this promo code SXSWPROMO which will give you $99 credit towards a Pro or Enterprise plan until March 31, 2011. At this year’s SXSW almost 100 bands on ShareSquare’s private beta platform participated in a contest to become the festival’s “Most Scanned Band”. The results and a heatmap of scans is shown below.