Comcast accounts for 43% of U.S. broadband growth in 2014; U-verse rolls out 75 Mbps speeds in six markets

More cable news from around the Internet:

> Comcast added 1.3 million broadband customers in 2014, almost 43 percent of the total net high-speed Internet subscriber additions in the U.S. for the year. Story

> With its hit series The Walking Dead generating significant advertising-sales growth, AMC has ordered two seasons of a spinoff. Story

> Comcast's Xfinity Wireless Gateway generated industry-best downstream speeds of 700 Mbps in a recent independent study. Report

> Dish Network has tapped former Sears and Jose Cuervo executive Scott Scurnick to head its digital-marketing efforts. Story

> AT&T U-verse has expanded its 75 Mbps offering to include Baton Rouge and New Orleans; Mobile, Ala., and nearby areas in Florida and Mississipi; and South Bend, Ind., and nearby areas in Michigan. Press release

And finally … Viacom CEO Philippe Dauman says his conglomerate has no intention of trying to remarry CBS. Story

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