PHILADELPHIA & SAN FRANCISCO, Jan 23, 2014 (BUSINESS WIRE) --Comcast and NBCUniversal today announced a 10-year agreement with the SanFrancisco 49ers and Levi’s®Stadium designed to deliver an unmatched in-stadium fan experience. Comcast is leveraging multiple business units – Comcast Cable, ComcastBusiness, regional sports network ComcastSportsNet Bay Area, and local NBC owned station NBCBay Area – to help power what will be one of the most technologically advanced stadiums in sports.