No Doubt About It - Oprah Brought Lots of New Users to Twitter
Oprah's well publicized first tweet on Friday was definitely a boon for Twitter. According to Hitwise, 37% of all visits to Twitter last Friday were from new visitors, and Twitter's overall share of U.S. Internet visits increased 24% on Friday. It is important to note, though, that Twitter, being the new and growing service that it is, usually gets…