2014 Super Bowl May Be Broadcast to Your Phone Using New LTE Feature | MIT TechReview ::on-demand more complicated::

Early next year, an emerging wireless technology known as LTE Broadcast could (make) it possible for carriers to put a TV-like broadcast stream within LTE cellular signals… Putting data in broadcast mode reduces congestion but makes the most sense in situations where everyone is watching the same newscast, sports match, or other special piece of content at the same time. In such situations, using LTE Broadcast mode, a carriers’ transmitter needs to just send a signal out over one channel rather than separate ones for each mobile device. That’s how the traditional TV broadcast works: it doesn’t matter if 100 or a million people are watching, because the content is out there for the taking.

Read the full piece at MIT Technology Review