Google is intresting as a litmus test for what images people associatewith certain words and phrases. To quote Gibson in his excellent book 'Idoru
it's a 'nodal point'. A nodal point is a noticable fixed point in which popular culture converges and one can analyse trends, shifts in social behaviour.The semiologist Saussre said
'Any psychology of sign systems will be part of social psychology - that is to say, will be exclusively social; it will involve the same psychology as is applicable in the case of languages'.