Twitter is testing ‘Nearby’ feature
Twitter is testing out a new feature called “Nearby.” This feature would let you see who is tweeting near you, regardless of whether you are following that user or not. The Nearby feature would be added to Twitter’s mobile apps and would display all of the tweets close to your location. This feature could come in handy for people that want to find tweets that are relevant to their location. There are several third party apps that focus on showing tweets near you like TweetHood, AroundNow, Vizible, and Tweets Nearby, but Twitter will likely have more sophisticated integration of the feature and would be able to sell ads based on this kind of data.