YouTube is the largest site for video play back on the internet, YouTube was founded back in 2005 and had it's first video uploaded (23 apr 2005 at 8:27pm)
In less than two years Google found interest in this video streaming site and bought it on 9 October 2006 for $1.65 Billion, after Google's acquisition of the site it started to kick off becoming a very useful tool for learning and education, not just that but also providing jobs and entertainment for people.
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