I've seen international teams succeed and fail. Language barriers are a problem especially when trying to grasp domain knowledge. Most outsourced teams require

I've seen international teams succeed and fail. Language barriers are a problem especially when trying to grasp domain knowledge. Most outsourced teams require specs and don't work well without them. Most startups prefer to have some time overlap where they can talk directly and classify problems. And of course there's also the idea in silicon valley that good engineers are a must if you want your company to be aquired by a Google or Yahoo