Today at Aol West Headquarters , a number of expert speakers gathered to discuss the state of the mobile industry and mobile technology. After a series of individual panels, the day concluded with the crowd of panelists gathering together for a lively discussion about the future of mobile, current mobile trends gaining legs, as well as what's missing. Chi-Hua Chien of Kleiner Perkins stepped in to give an example of what's missing in the industry by sharing three particular business models that he'd like to see make their way into the space.