In Techcrunch's defense, they have published a very good article on these kind of numbers[1]. Actually, they have published a lot of articles on this[2].
What is more insteresting, is that Paul Graham reiterates the Power Law of Startups he talked to Peter Thiel recently[3]:
Peter Thiel: Do Y-Combinator companies follow a power law distribution?
What is more insteresting, is that Paul Graham reiterates the Power Law of Startups he talked to Peter Thiel recently[3]:
Peter Thiel: Do Y-Combinator companies follow a power law distribution?
Paul Graham: Yes. They’re very power law.
[1] http://techcrunch.com/2011/07/30/vanity-metrics/
[2] http://techcrunch.com/search/vanity+metrics
[3] http://blakemasters.tumblr.com/post/21869934240/peter-thiels...