Stephen Fry (@STEPHENFRY on Twitter) is perhaps the most popular British on Twitter. He has more than one million followers on Twitter, he is an active blogger and arguably one of the finest comedians in Britain. During the #140 Characters Conference in London yesterday - an event organized by Jeff Pulver - Fry gave a 23 minutes keynote speech about Twitter. Among other things, Fry argued on the human-shaped nature of the service and pointed out that Twitterlebrities like him can control their social profile more effectively. His full keynote, right after the jump!