I'm starting to get a disconcerting feeling because of these ubiquitous ads in everything and everywhere. No wonder we become desensitized - it's the only way our brain can cope with the information overload.
A short film (Logorama, Oscar winner in 2009) that explains it much better than I ever could: http://vimeo.com/10149605
A short film (Logorama, Oscar winner in 2009) that explains it much better than I ever could: http://vimeo.com/10149605