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Facebook turns 6 today and it's celebrating with another major redesign of its homepage. The search bar is larger and more prominent, underlining that Facebook is getting serious about search capablities, Mashable notes. Messaging has been made easier and many functions shunted to the applications tab have been returned to the left sidebar.
Facebook is rolling out the changes to all users today and will announce them in a blog update. The site has now passed 400 million users, founder Mark Zuckerberg noted in an earlier update. "We're going to celebrate with a Hackathon—an event where all of us stay up all night coding and building our new ideas for our next wave of products," he boasted.
