"Whassup" a Budweiser advertising campaign based on what began as a greeting among friends more than 15 years ago, has turned into one of the hottest advertising properties, and was launched in the UK, this week.Based on the real life greeting exchanged by the advert's director and stars, the series has spawned a catch-phrase craze and picked up the prestigious Grand Prix award in Cannes. "Whassup?! Has been a phenomenon in the US, and the response from adult consumers over there has been overwhelmingly positive. It is growing in popularity around the world," said Budweiser marketing manager, Kerry Babe.