When I think 'innovation' I'm generally not even thinking about web applications - but you've got some great examples! I think of more physical projects like R

When I think 'innovation' I'm generally not even thinking about web applications - but you've got some great examples! I think of more physical projects like RepRap (reprap.org) OpenFarmTech and SpaceX that are really pushing things in a new way. I'm sure there's plenty more if people look for them outside the software space.