Techcrunch's Michael Arrington believes that ) I don't agree. If I can select a search engine and look for stuff, why do I need another website to go through ? Is that considered efficient ? Efficiency would mean that you can cut away overhead, but using a site like YubNub is actually adding overhead, you're adding a website to the load. Besides this, the web should be (and often is) a gui(graphical user interface) that is supposed to be usable by everyone. And where you need to know commands, you loose that quality. Case closed.