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Location-Based Services will be worth $10 Billion by 2016 GigaOm
Location-Based Services (LBS) are a revolutionary, but still fresh from the oven, breed of services that has grown tremendously to carve itself as a new industry in just a few years.
Location-Based Services is the next step in the evolution for search, on the web and mobile, adding the Location Context (where am I or things around me) for search. To quote from Wikipedia on the definition of LBS:
A Location-Based Services (LBS) is an information or entertainment service, accessible with mobile devices through the mobile network and utilizing the ability to make use of the geographical position (read Geocodes or Latitude/Longitude) of the mobile device.