The grainy 19-second YouTube video that started it all hardly had the makings of a viral sensation. Shot at the San Diego Zoo, the primitive video clip showed Jawed Karim, the platform’s co-founder, ...

Did you know elephants have long trunks? The first YouTube video delivers that little-known bit of animal knowledge -- and after that, things really got going. CNET editor Gael Fashingbauer Cooper, a ...