"The rules, which have not yet gone into effect, require AT&T Inc., Charter Communications Inc., Comcast Corp. and other broadband providers to get customer permission before using or sharing sensitive personal data, such as Web browsing or app usage history and the geographic trail of mobile devices.
Companies use consumer data to target advertising. Privacy advocates worry that Internet service providers are assembling detailed dossiers on their customers without their consent...
Republicans and broadband companies opposed the rules because they imposed tougher restrictions on high-speed Internet providers than on websites and social networks, which also collect and use such data."