Agree. The value prop appears to be "what people are talking about or at a specific location that you are interested in". The OP will be better of harvesting an

Agree. The value prop appears to be "what people are talking about or at a specific location that you are interested in". The OP will be better of harvesting and consolidating information posted on other social platforms such as Twitter, Facebook, Google+, Instagram, Pinterest, Yelp and presenting in his/her app. Like you suggested, Twitter + Map is a good starting point for the app.