merger between two largest cable companies have given the new firm control of 57percent of broadband internet market and 30percent of paid tv .
` today we move on , ' says comcast ceo brian roberts .
comcast has 30million subscribers and time warner cable boasts 11million ; new company would have spun off or sold 3.9 million .
fcc staffers recommended the merger be sent to a judge for review - a significant regulatory hurdle .
regulators questioned whether merger was in the public interest .