Not long after Anglo-Dutch group Unilever announced that its PG Tips chimps are retiring from UK television, tea giant Tetley has revealed the imminent screening of a commercial without the Tetley Tea Folk - the first for 28 years. The new adverts, to be aired for the first time next Monday [4 February], have been designed by advertising agency D'Arcy to "shake up tea's 'safe' and old-fashioned image".