Porter editor in chief Lucy Yeomans and her publishing director Tess Macleod Smith are both old adversaries of Vogue, from the days when they produced Harper's Bazaar for Hearst Magazines. Today, they have the weight of retailer cash behind them, part of an important trend in modern publishing. Earlier this week, another magazine specialist, Bauer Media, launched The Debrief, a digital title aimed at the twentysomething woman about town and, importantly, produced in collaboration with high street store H and drinks brand Bacardi as its "brand partners".

Anyway, buy lots of cheap pie casings and defrost tehm and fill tehm with whipped cream and get people drunk and then start throwing them around pretty simple, I reckon. But there'll be a big mess. Nothing too much that a public park couldn't handle (just collect and recycle the aluminium bases, seagulls/pigeons/rain should handle the rest), but how are you going to deal with sticky guests? And I hope all invitees have a