Are you a red wine drinker? A high spender? Or perhaps you’re a slow eater, the sort who takes up a restaurant’s table for longer than they’d like. You might not even know — but OpenTable does. Those are just a few of the notes that the reservation platform has started serving up to some restaurant staff when you make a booking, all based on the orders you’ve made and money you’ve spent at other restaurants in the past. Kat Menter, a host at a Michelin-starred restaurant who posts about food