More and more places are getting their own Snapchat location filters, but what good are they? Well, now they link to further information about where your pals are sending evaporating updates from. The ephemeral photo app is calling them Context Cards. The video filled with very attractive twentysomethings below shows restaurant reviews from TripAdvisor, destination info for driving your own car or taking Lyft or Uber and will add your location to a map, Foursquare style. It looks like you can even make hotel reservations without leaving Snapchat, too -- all based on the location filter you pick.