If that were a random sample you'd be completely wrong -- that's more than enough to get extremely accurate numbers. What's more likely is that compete is base

If that were a random sample you'd be completely wrong -- that's more than enough to get extremely accurate numbers. What's more likely is that compete is based on a panel [1] [2], and the members of that panel tend not to include the type of people that read tech sites. [1] http://techcrunch.com/2010/02/25/compete-data/ http://techcrunch.com/2010/02/25/compete-data/ [2] http://www.quora.com/Where-does-Compete-get-its-data-from http://www.quora.com/Where-does-Compete-get-its-data-from