It's hard to be aware of your surroundings and not miss out on awesome events around you, or take immediate action if the building your currently inside of catches fire.

Sonar finds and categorizes the information that's closest to you, in a way that is most intuitive and allows the fastest reaction. MongoDB Geospatial search capabilities quickly come up with nearest activity and Rhine API combined with Python's powerful NLTK package allows meaningful categorization.

Find events and information that the community tagged around your area. Users can pinpoint a position and say something cool about it, and the description will be automatically tagged! The user can filter pins by subjects, like events, study, sports, and warnings.

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