With MASSIVE hat-tips to Consumerist and the Spike Feresten Show, I'll offer you these tidbits about Digital Television.
First, since most non-old-people fit in (at least) one of four categories (to be enumerated in a moment), there is an extremely good chance you don't need to do anything at all to account for the DTV "transition."
Those four categories are:
-you don't own a television
-you only own a television to watch movies on videotape or DVD (or to play video games)
-you have cable or satellite TV
-you watch TV only on the Internet.
Now, if you are, in fact, not in one or more of those four groups, first watch this video from the Spike Feresten Show:
And if you're still confused, check out this decision-making flowchart from Consumerist.