The 'do not disturb' ad, part of a 'viral advertising' campaign, shows the fetish-type exploits of four couples -- including black leather suits and whips, a game of doctors and nurses, whipped cream and strawberries, and rampant bunny rabbits -- none of whom are using the gel.

However, all parties are thrown off their stride by the noisy escapades of another couple in the hotel. The final sequence reveals the noise makers to be a very ordinary couple, without the toys or costumes of the others, but their success is entirely down to the new Mates stimulating gel.

The full story is here.