Really successful businesses -- Google is a great, great technological success, but it's also based on a very good psychological insight: people believe something that only does one thing is better at that thing than something that does that thing and something else.
Virkelig, virkelig succesfulde virksomheder -- Google er en stor, stor teknologisk succes, men det er også baseret på en rigtig god psykologisk indsigt: Mennesker tror at noget der kun gør én ting, er bedre end noget der gør den ting og noget andet.