Paul Yiu is the Principal Group Program Manager for Bing social search, the team responsible for the Bing-Twitter integration (bing.com/twitter) and additional projects focused on leveraging social content for search. Prior to joining the Bing team, Paul spent four years at Yahoo working on Web search and mobile search, his most recent role being Senior Director of Product Management at Yahoo Search, leading a team focusing on intent-based search experiences in key Web search segments. Prior to Yahoo, Paul has 15 years of software/internet experience ranging from online exchanges, mobile commerce, multimedia, angel investing, to enterprise software, at companies big (Oracle) and small (startups).