They were students, unemployed or, in one case, earning £25,000 a year. But young video bloggers, or vloggers, have taken control of their careers by setting up business in their bedrooms.
Now they're being paid thousands to promote high street brands.
Armed with a camera and an internet connection they're creative content and humour has won them millions of followers.
Here some of the UK's most successful vloggers tell Newsbeat about their top tips for starting up a blog.
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