Here’s one for the brand gurus – how many do you recognise?

YouTube, that most venerable of institutions celebrates its fifth birthday this year. The first clip, Me at Zoo, was posted by co-founder Jawed Karim on April 23 2005. To celebrate the inanity we’ll be sharing one of our favourites every working day. So kick back, relax, and prepare to muffle your sniggers from the boss.