What Google Changes 500 Times a Year

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Google's clean, simplistic home page helped the company lure customers and become a search giant. Aside from the art on its logo, Google's main search page never changes.

But don't let that fool you. Behind the scenes, the company is constantly tweaking how it searches and scans the Internet. Last year, it altered its search function 500 times—more than once a day!

Many of Google's ideas and innovations are championed by Marissa Mayer, vice president of search products and user experience.

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During an interview today on CNBC's "Squawk Box," Mayer explained some of the company's latest developments, including a cool camera search feature called Google Goggles. (You can watch the entire interview with Mayer at left.)

Other new features: enhanced tools for users for searching for sports teams and stock tickers.

And in the product pipeline, Mayer says Google is planning a voice-recognition device that allows users to speak to the search engine, instead of typing a term on a keyboard.