This week’s Ad of the Week was produced by Wieden + Kennedy (London) for Three. ‘The Pony’ features a Shetland pony who enjoys moonwalking his/her way around the stunning Shetland Islands. to the tune of Fleetwood Mac’s ‘Everywhere’. The spot has stormed the viral charts, but — refreshingly — the follow up content on YouTube has been of an equally high standard, and manages to avoid the usual anticlimactic experience you get when you do take the time to check out a brand. The Pony Mixer is a YouTube app that enables you to produce your own dancing pony video by giving you control over the music selection and the various video components.