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.
Miracast is a standard for wireless connections from devices (such as laptops, tablets, or smartphones) to displays (such as TVs, monitors or projectors). It can roughly be described as HDMI over Wi-Fi, replacing the cable from the device to the display. The Wi-Fi Alliance launched the Miracast certification program at the end of 2012. Devices that are Miracast-certified can communicate with each other, regardless of manufacturer.