Comcast’s cable channel shake up could have industry wide ripple effects. Plus, Donna Langley is promoted to Chairman of NBCUniversal.

Cable television has long been viewed as a stagnant business, showing little promise for growth over the years. However, Comcast believes it has found a Comcast is spinning off NBCUniversal’s cable television networks into a separate publicly traded company.

Comcast said on Wednesday that it plans to spin-off the bulk of its fading NBCUniversal cable TV networks, including MSNBC and CNBC, as the company said it is repositioning itself for growth in the streaming era.