Keeping up with the constant stream of technology innovations and sorting out the winners from the losers is a mind-boggling challenge for any busy small business owner. It's a real help when someone else does the time-consuming task of researching and viewing technology demos to pinpoint some of the best products. This spring, companies unveiled some amazing ideas and impressive applications for small businesses or single practitioners. Here are a few of the top picks announced at the 2010 Small Business Summit after reviewing products recently launched at the Spring DEMO show,- a technology forum featuring specially selected up-and-coming companies and a showplace for the best of the latest business apps.