Commercial speech, however, is less protected by the First Amendment than political speech, and is therefore subject to greater regulation. The Free Press Clause protects publication of information and opinions, and applies to a wide variety of media.
In computer networking, multicast (one-to-many or many-to-many distribution) is group communication where information is addressed to a group of destination computers simultaneously.
Anycast is a network addressing and routing method in which datagrams from a single sender are routed to any one of several destination nodes, selected on the basis of which is the nearest, lowest cost, healthiest, with the least congested route, or some other distance measure.