Google Insights shows what sites are mainstream and which ones are still early adopter
andrewchen.typepad.com
andrewchen.typepad.com
"Chen included the '.com” at the end of each site’s name when he created his maps (”techcrunch.com,” “twitter.com,” etc.)....Only nerds add the “.com” in the search box when they are looking for a site."
This affects results significantly.
here is the TC link: http://www.techcrunch.com/2008/08/12/if-you-are-a-techcrunch...
(edited)
jokes and odd references often get lost in textual translation.