The Week: Advertising news - Nike in 'Just do it' homage

Nike has launched a global TV ad campaign to celebrate the 20th anniversary of its "Just do it" campaign.

Created by Wieden & Kennedy Portland, the ad, called "courage", features 31 athletes who have been sponsored by Nike over the years. They include the basketball star Michael Jordan, cyclist Lance Armstrong and tennis stars John McEnroe and Roger Federer. The spot launched on 19 July for the run-up to the Beijing Olympics.