Google's mobile Product Search will alert you if an item that you are searching for

Want to buy the latest gadget - like, right now? Well, a new version of Google's mobile Product Search will alert you if an item that you are searching for is sitting in a nearby store just waiting to be purchased.

Google has teamed up with stores like Best Buy, Sears, Williams-Sonoma, Pottery Barn, and West Elm to include information about their inventory in search results.

Looking for the latest point-and-shoot camera? Go to Google.com on your phone, tap "more" and then "Shopping." Do a search, and if the local Best Buy or Sears has that camera, a blue dot will appear next to the search results. Click on it and Product Search will tell you if it's in stock or has limited availability.

If you have enabled "My Location" or manually specified where you are, the app will also tell you how far away the stores are from where you are standing. The offering works on the iPhone, Palm WebOS phones, and Android devices in the U.S.

Google first demonstrated a preview version of this feature in December.

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