Just market the word 'Google' with any event these days and you can pretty much bet it will sell out. Last night I was at a presentation by Google on mobile user experience. If any other company gave this talk, maybe 40 or so people would show up. But because the speaker was from Google and the event was in the company's New York City nerve center, over 250 people packed out the Google auditorium. For those of us lucky enough to get a ticket, we received an upfront look at how Google designs its mobile applications.The event, "Google Presents User Experience & Mobile Apps," was co-hosted by the New York City chapter of the Usability Professionals Association.

Google user experience designer Leland Rechis started his talk by re-iterating Google's mission: Organize the world's information and make it universally accessible and useful. Rechis added that mobility is fast-becoming the key to making information "universally accessible," but he warned that without a solid user experience, there is no way mobile applications can be useful.

Rechis said that when Google plans to launch a mobile application, it looks at the potential app through six layers: