The future of the letter as a viable means of mass communication could be in his hands.

As with other uncensored forms of mass communication, its very openness and ubiquity constitute its big disadvantage.

In part, with changes in mass communication, party leaders need fewer members to make contact with voters.

With millions of linked computer networks, mass communication ceases to be a one-way street from broadcaster to receiver.

In a visually accelerated and visually saturated culture, the flashed image and attendant sound-bite have become the primary means of mass communication.