The U.S. Federal Communications Commission said on Tuesday it was opening a formal inquiry into why broadband providers cap data use by some customers, and how it impacts consumers and competition. Many consumers face no data caps on internet service but millions -- especially those on lower-cost plans -- do face limits.

The FCC is probing whether broadband data caps are harmful to consumers and small businesses by limiting the amount of data that a reasonable person might use. This article, FCC launches probe into broadband Internet data caps,