The advent of online shopping has threatened to divorce buying stuff from talking to people for good. Not to mention, as Gretchen Weiners once said, “You wouldn’t buy a skirt without asking your friends first if it looks good on you.” Connected via Facebook, shoppers can drag and drop items into conversations with their friends, even those who aren’t on Whisp. As a bonus, the app combines 21 retailers so that everything from Urban Outfitters to Givenchy can be found in one place.