H.R. 1981 would impose sweeping requirements on a broad swath of online service providers to keep new records on all of their customers, just in case the police ever want to investigate any of them. In particular, the bill would require any commercial providers of Internet access to keep for at least 12 months a record of which users were assigned to particular network addresses at particular times -- threatening the right to privately browse the web and to speak and read anonymously when online.
Laws like this and ACTA, PIPA, SOPA, TPP and the like should never be put before Congress to begin with, but, if they happen to pass, We, The People, want you to veto them.