For most people, banks are little more than necessary evils - places to store your money until you need it, and maybe earn a little interest along the way. The goal is to get a decent return without too much hassle. But a conversation with senior Wells Fargo execs reveals a bank trying to use the Internet, social media and mobile technology to worm its way deeper and deeper into their customers' lives. At a wine-lubricated dinner this week in downtown San Francisco, Wells Fargo execs shared their insights into how they are trying to change banking. Kimarie Matthews, VP Social Web, explained that Wells Fargo has little choice but to engage in social media.