Obama held an economic summit at Carnegie Mellon University (CMU). The summit included Obama, Steve case (co-founder of AOL), G. Richard Wagoner Jr. (Chairman/CEO of General Motors), and Lael Brainard (VP of Brookings Institution).
In order to support the attendees and the press core who covered the event, Xirrus Wi-Fi Arrays were deployed. As you can see in the top picture, there is an array at the very corner. Xirrus, being chosen as the Wi-Fi provider for such a serious event, shows that they are definitely a leading provider in Wi-Fi technology!