Comcast is going to start charging extra when customers go over a monthly data limit of 300 gigabytes.
Very few Internet users use that much data in a month.
Comcast Corp. said Thursday that it will test charging $10 for every 50 gigabytes over that limit.
Comcast has previously limited use to 250 gigabytes per month, but hasn't charged those who exceed that limit. Instead, it's warned them, and threatened repeat offenders with cancellation of their service.
Other home Internet service providers like Time Warner Cable and AT&T have experimented with lower data caps and charges for going over limits, but abandoned those after meeting fierce resistance from consumers and politicians.
Read more at Businessweek.