Ask a question to your neighbours (The radius is kept at a reasonable distance.You can opt a distance in later versions) and get helpful answers.
Be it finding a plumber in your area, getting feedback about the schools around you, getting a company to join the yoga or dance class near you or finding someone to pick your used gym equipment when you no more want it, you can get what you seek.
Share useful information with your neighbours.Say, you can inform about a bad road condition asking them to divert if you happen to find a road block.
Raise an alert to your neighbours when you are in need.
Respond to your neighbour's questions and earn a reputation in your locality if the answer helped your neighbour.
Wherever you go your earned reputation travels with you, so that your new neighbours know you as a helpful person immediately.
Your contact information provided to Citygraph is not disclosed to anyone unless you mention the same in your activities or responses.
Your location is narrowed down only to the street level . Hence no one can know about your home address.
Stay tuned for more like tracking activities in other locations of your interest apart from your home location.
Click here to see why Citygraph is requesting for the permissions to access features on your device.https://dl.dropboxusercontent.com/u/41467284/ProximityPermissions.pdf