Remember, almost all companies start as startups. For example, startups get to claim Ford, inventing the assembly line. Of course, the potential for work in a

Remember, almost all companies start as startups. For example, startups get to claim Ford, inventing the assembly line. Of course, the potential for work in a research lab is huge too. So I think it's more about the specific opportunities. A web2.0 tagging social network is unlikely to change anyone's life right now, but startups like Kiva or 23andme might.