His point was to store that data because you might want it in the future - not that its necessarily useful now, in this situation. (Ex. 2 years from now, when

His point was to store that data because you might want it in the future - not that its necessarily useful now, in this situation. (Ex. 2 years from now, when Apple gets into the restaurant business, they might want to analyze what users (user ids) search for what types/distances of restaurants.