Casey Neistat uploaded his first-ever YouTube video.
However, he didn’t make his first vlog until March 25, 2013.
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5 Seconds of Summer member Luke Hemmings posted his first YouTube video.
American pop singer Ariana Grande joined YouTube at 13 years old.
The 7-year old Ryan of 'Ryan Toysreview' was announced as the year's highest-paid YouTube star earning $22 million.
Google announced that it had acquired YouTube for $1.65 billion.
The first video was uploaded to YouTube.
