Props to Frank Gruber and his entire TechCocktail [http://www.techcocktail.com/] crew for a great event in DC last week called the Startup Mixology conference [http://startupmixology.techcocktail.com/2011-dc/]. Steve Case gave the keynote [http://techcocktail.com/live-from-the-startup-mixology-conference-startups-across-america-2011-06] , followed by a variety of panels and presentations. I was