> Whaaa ... ? Do explain, fascinating. The stock trading I've heard of, and even seen news articles about before. Location tracking lets stock traders know ho

> Whaaa ... ? Do explain, fascinating. The stock trading I've heard of, and even seen news articles about before. Location tracking lets stock traders know how well a store is doing well before public results are announced. If foot traffic is down at a store, time to sell off (or short) the stock before it becomes publicly known.