Do you find yourself watching more TV on the internet than on your actual television set? For many Americans, that answer is yes.

In fact, YouTube, Netflix and Hulu have become so popular that a congressional panel looked into charges this week that cable companies are squashing their online competition by limiting the speed of consumers' internet connection.

Congress is not alone. The Justice Department is conducting its own antitrust investigation on the issue.

Companies like Netflix say cable wants to keep charging people huge sums for their channel bundles by keeping online videos slow.

"When you couple limited broadband competition with a strong desire to protect legacy video businesses, you have both the means and the motivation to engage in anticompetitive behavior," said David Hyman, Netflix general counsel. "Add to this mix a regulatory and legislative framework largely crafted before the modern Internet era, and you have the makings for confusion and gamesmanship."

The cable industry says that's not true. They claim they have actually increased the speed of internet to let people watch what they want when they want it.

"Our policies, caps or pricing have in no way thwarted a consumer's ability to watch video streamed content by any measure," Michael Powell, the president and CEO of the National Cable & Telecommunications Association said. "And we are expanding to meet demand consistently, having increased broadband speeds 900 percent in the last decade, and recently announced plans for startling speeds by the end of the decade."

Cable companies say some limits on internet speed are necessary to stop people from hogging bandwith.