Comscore only measures 150,000 unique U.S. visitors in October (550,000 worldwide in September).
http://www.techcrunch.com/2008/11/15/twitters-hockey-stick-moment
Comscore only measures 150,000 unique U.S. visitors in October (550,000 worldwide in September).
http://www.techcrunch.com/2008/11/15/twitters-hockey-stick-moment