Operation PokeExplore is under way this weekend. Operation PokeExplore is a community effort to force Niantic to add new Poke Stops. Players world wide are tweeting Poke Stop requests in the following format:
#PokeExplore @NianticLabs with enabled Precise Location
Make sure that you enable Share Precise Location otherwise your Tweet is not useful. Full instructions can be read here.
Real Time Data
Tweets per Location
Tweets per Platform