Lenovo's ThinkPad line is now 20 years old, and we're taking sometime to chat with Lenovo execs to discuss what's made the brand so popular among business-minded folks. In addition, we'll also take a look at how the outfit has kept the line relevant, and nab an exclusive glimpse of the outfit's future plans. March 17, 2013 1:45 PM EDT For a full list of Expand sessions, be sure to check out our event hub.File