The series started on the premise that YouTube is more than funny cats and other viral curiosities.

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An exhibition has opened in London devoted to the online phenomenon of cats doing funny things, known as "lolcats".

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On that site, users put funny captions on photos of cats and submit them for review.

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It's easy to find a match for a rich man, because women are happy to take on short and bald as long as he's funny and sweet to the cats, matchmakers say.

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Funny, embarrassing and lewd things (as well as cats) spread well, but those are not always aligned with a brand message.

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