<blockquote>—&gt;Did you know your eyes have probably been viewing things in only 480 vertical lines of resolution? Thankfully someone out there isn't as stupid as the rest of us, and realized that if our television sets can be upgraded to HD, so can our eyeballs. At least they can with the help of these special sunglasses.</blockquote>
via <a href="http://consumerist.com/2009/09/hd-sunglasses-use-the-power-of-stupidity-to-increase-real-world-resolution.html">HD Sunglasses Use The Power Of Stupidity To Increase Real World Resolution - The Consumerist</a>.