RealNetworks CEO Robert Kimball took the helm in January after the resignation of longtime RealNetworks chief Rob Glaser. He was tasked with the difficult job of cutting costs and restructuring the company. The firm has made strides this year though, and Kimball talked with Editor-in-Chief Sue Marek about the company's cloud-based service called Unifi and its work with MetroPCS (NASDAQ:PCS) to develop the carrier's MetroStudio entertainment platform. Hot Seat