YouTube Blog: YouTube Hits a Billion Monthly Users

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"In the last eight years you’ve come to YouTube to watch, share and fall in love with videos from all over the world. Tens of thousands of partners have created channels that have found and built businesses for passionate, engaged audiences. Advertisers have taken notice: all of the Ad Age Top 100 brands are now running campaigns on YouTube. And today, we’re announcing a new milestone: YouTube now has more than a billion unique users every single month."

YouTube Blog: YouTube Hits a Billion Monthly Users