Without data caps, Internet users are free to explore new programming on YouTube and other websites, said Jenni Powell, producer of "The Lizzie Bennet Diaries" and director of content for VidCon, a convention of online video creators.
When broadband customers hit their data caps, that means "no discovery is available whatsoever," she said.
Grant Gross covers technology and telecom policy in the U.S. government for The IDG News Service. Follow Grant on Twitter at GrantGross. Grant's e-mail address is firstname.lastname@example.org.