I was so tempted to share the new Nike ad (if you haven't seen it, watch it here) as it is fantastic and the budget, wow. But I thought as it's on every other website. So last week's ad of the week involves Vine. Airbnb are asking for your help to make the first ever Vine film. First follow @airbnb on Twitter to discover your shot list, you'll then need to vine/film what the tweet is and at the end of it all, Airbnb will make a film which will premiere on the Sundance Channel. It reminds me of the crowdsourced 'Life in a Day' film using clips from YouTube. But this limits you to 6 seconds, which I think will help, as you don't really have an excuse not to do it, as it's only 6 seconds.