On August 19, the 10 finalists will present their projects in Boulder, Colorado to a live and virtual audience of industry leaders and venture capitalists. These fresh ideas range from reinventing microwave popcorn to bringing showers to the homeless for just a nickle. Here are the mostly-video pitches of COMMON Pitch's 10 finalists. Do you have a favorite? Let us know in the comments. 1. ArtGizmo