If your startup idea's legit, you have at least a 2-year head start. This isn't necessarily true. Poke, for example, was supposedly developed and deployed in

If your startup idea's legit, you have at least a 2-year head start. This isn't necessarily true. Poke, for example, was supposedly developed and deployed in 12 days, including App Store approval time. Powerful companies like Facebook do have the ability to steal great ideas and crush the start ups that created them. However, this has been known for a very long time and it has yet to have a discernible impact on innovation.