Youtube is five

Five years ago, YouTube was officially launched. The site has helped launch international singing careers, played a role in election campaigns and cheered up millions of users who've logged on to watch everything from giggling babies to skateboarding ducks.

Reporter: Maddy Savage

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It began with three friends searching for an easier way to share videos. One - Jawed Karim - uploaded the site's first clip - a movie of himself dressed in an anorak at San Diego Zoo.