Google acquired YouTube on October 9, 2006, for $1.65 billion in stock, reshaping the online video landscape.
The very first YouTube video, uploaded on April 23, 2005, featured co-founder Jawed Karim discussing elephants' long trunks at the San Diego Zoo in a 19-second clip.
Initially conceived as a video dating site, YouTube's purpose shifted over time.
Chad Hurley, YouTube's CEO, expressed confidence that the partnership with Google would empower them to create a cutting-edge global media platform.