What types of communication exist today that did not exist in 1968?

now days e-mail or other new communication exists today. In 1968 Omnibus Crime Control and Safe Streets Act allowed wiretapping and electronic surveillance by law-enforcement (with court order)

E-mail and other new communications

on later in 1986 Electronic Communications Privacy Act (ECPA) extended the 1968 wiretapping laws to include electronic communications, restricts government access to e-mail

Communications Assistance for Law Enforcement Act of 1994 said that,

Telecommunications equipment must be designed to ensure government can intercept telephone calls.

Secret Intelligence Gathering:

The National Security Agency (NSA)

• Foreign Intelligence Surveillance Act (FISA) established oversight rules for the NSA

Encryption Policy:

• Government ban on export of strong encryption software in the 1990s (removed in 2000)