And an advertising campaign, based around a TV-viewing monkey, has been a "real success", ITV Digital managing director Rob Fyfe said.

BBC: ITV Digital defies sceptics

Wilson, best known for his role as the aggressively clueless Dwight Schrute on TV's "The Office, " began his talk with random slides ("Here's a baby monkey riding a boar"), gags about the early days of the Internet and jokes about his postings on Twitter, where he has almost 3 million followers.

CNN: Rainn Wilson: "The Internet is the future of spirituality"