In Pictures: Google's most innovative projects

Google unveiled two new products at its I/O developer conference: the Nexus 7 tablet and Project Glass. Here's a look at how some of Google's other famous projects got their start.

7. Google Goggles, 2009

At its search event in December 2009, Google unveiled its foray into visual search with a product called Google Goggles. Goggles, which today is still in beta, is a downloadable image- recognition application for mobile devices.

If you use the app to take a picture of a famous landmark, for example, Goggles will search for more information about it. If you use it to scan a barcode, and it will search for information on the project.

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