Description
Google Map Maker is an easy-to-use tool that allows users to add more detail to Google Maps through a few simple clicks. Using Google Map Maker, user can select a specific area on Google Maps and add new information based on an own local knowledge or by referencing the satellite imagery on Google Maps. With just another click, user can save and submit input — and once the submitted edit has been verified, the new crowdsourced information will be added to Google Maps.
SOURCE LINK:
http://googleindia.blogspot.in/2013/02/mapathon-2013-join-google-in-creating.html