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.
In object-oriented programming, a multicast delegate is a delegate that points to several methods. Multicast delegation is a mechanism that provides functionality to execute more than one method.