Warning to vloggers over adverts from ASA
13 November 2013 Last updated at 00:01 GMT
Zoe Sugg is one of the UK's most successful young vloggers.
She started when she was unemployed three years ago. and now gets 1.5 million unique visitors to her blog every month.
The Advertising Standards Authority has now warned vloggers they must make it clear when they are being paid to promote something.
Here Zoe tells Newsbeat's Declan Harvey about her first pay cheque, and how she decides what to talk about.
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