Google is now officially a teenager. The search giant on Tuesday celebrated its 13th birthday with a homepage doodle that features the company's logo surrounded by presents and a cake.

Google is now officially a teenager. The search giant on Tuesday celebrated its 13th birthday with a homepage doodle that features the company's logo surrounded by presents and a cake.

The image is framed as if it were a snapshot in an old photo album, and several letters in the Google logo are donning party hats for the occasion.

"Happy 13th Birthday, Google!" Google's Marissa Mayer tweeted this morning.

Google has celebrated its birthday with doodles for the past few years, each one more sophisticated than the last. Back in 2008, the company celebrated a decade in business by displaying the original Google logo, also adorned with party hats. The following year, the company replaced the L in Google with two ones to . Last year, 89-year-old Los Angeles painter Wayne Thiebaud , with a single candle replacing the L.

While Google.com was registered on September 15, 1997, Google didn't actually incorporate as a company, release early technical specs, or hire its first employee until September 1998. Now, 13 years later, it has almost 30,000 employees and reported $9.03 billion during its last quarter.

Google had a big year, to say the least. It , found itself in some across the pond, admitted that sniffed whole emails and passwords, over Android, was the focus of an , showed off , and . And that was just the end of 2010.

This year, it has for tablets, the , and its , announced that Larry Page would once , saw one of its executives , got more heavily into social with the and, later, its , got into , , into its business, , , and over its search tactics.

Google has also become more well-known for its doodles over the last year. Some of the more intricate ones included an animated logo for , an undersea adventure , which eventually , and a live-action doodle for . More recently, doodle also honored , , , and .

For more on Google's doodles, see the below. Recently, it was revealed that for its popular homepage doodles, covering "systems and methods for enticing users to access a Web site." [Image]