Search giant Google said, Monday, it has bought Motorola Mobility for $12.5 billion, an announcement that shook up the technology industry and caught rivals napping.

The acquisition, Google's largest ever (the previous largest acquisition was purchase of DoubleClick for $3.1 billion in 2007), has taken the Wall Street by surprise and currently a big debate is raging on whether Google made the right move by buying Motorola at 63 percent premium. While some feel that Google bought Motorola in a moment of irrational panic and the company's biggest acquisition to date spells doom for the search giant, others feel the move is nothing short of pure genius as it will help Google bridge the gap between itself and its bigger rival Apple.

As for us, we think it's the best move Google made in recent years. Start the slideshow to find out top 5 reasons why.

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Motorola Photon 4G Summer and Triumph Virgin Mobile Summer handsets on display
Motorola Photon 4G Summer and Triumph Virgin Mobile Summer handsets on display Reuters
Google buys Motorola for 12.5 billion
Google buys Motorola for $12.5 billion Reuters
Google TV
Google employees Donagh O'Malley (L) and Andres Ferrate utilize a Google TV display at the Google I/O Developers Conference in the Moscone Center in San Francisco, California, May 10, 2011 Reuters
Samsung Galaxy S smartphones
Samsung Galaxy S smartphones Reuters
Google Wallet
An attendee takes a photo of the Google wallet application screen during a news conference unveiling the mobile payment system in New York May 26, 2011 Reuters
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