My biggest problem with the article is that it seems to think a startup is only successful if it hits a huge, exploding market, like Microsoft/Facebook did. On

My biggest problem with the article is that it seems to think a startup is only successful if it hits a huge, exploding market, like Microsoft/Facebook did. On the contrary, plenty of successful startups have been formed on markets which didn't explode and get huge overnight, but were plenty big enough to sustain more players.