A U.S. judge has ordered Google to turn over personal information about their users, after concerns of copyright infringement.

Viacom and other copyright holders are suing the search engine giant for alleged unauthorized material on its YouTube site.

Click the play button for insight from Randy Skoglund of Americans for Tech Leadership.

They say the popular video hosting service uses the Internet to "willfully infringe" copyrights on material from Viacom shows on Comedy Central, MTV and other stations.

Google collects data on the sites their users click on, including YouTube. The company said late Monday that user's identity would be masked for the investigation.

Both Viacom and Google have agreed to keep personal records used in the case confidential.