Shoppers of the world unite. For many people, shopping is a solitary activity; one where the individual hunter-gatherer sets off on a mission to find that perfect something…and then brings home that perfect something (plus a few other things that caught his/her eye).

But now there’s less reason to be a lonely shopper. You can make shopping a group effort, complete with communal decision making but without the need for an actual parade of people moving store to store behind you. Social shopping allows consumers to harness the wisdom of the crowds (or at least their…