Am I the only person who gets horribly irritated by companies like Amazon, Google, Flickr, and other outfits that generate invalid HTML for you to use on your website to promote or sell for them? Come on, people, it isn’t that hard. You can match up a product, an ID number, all sorts of random data. Why can’t you do it with valid HTML? At the very least you could let users indicate whether they want HTML or XHTML before you spit out a bunch of HTML for them to copy. Grrrr.