How TV ads are taking the net by storm: The ad had its premiere during the final of Celebrity Big Brother on Channel 4 and has frequently been on TV since. But it is online that "Eyebrows" has gone "viral" and picked up unstoppable momentum.[...]Cadbury now estimates that the video has been watched more than four million times on YouTube and other sites - more than double the number racked up at the same stage by an earlier Cadbury cult hit, featuring a gorilla playing drums to Phil Collins's In the Air Tonight. [original sem som, ver tb 1 e 2]