This time last year, a single word began a revolution in Web design. Coined and published on February 18, 2005, by May, the word "AJAX(Asynchronus JavaScript + XML)" was on everyone's lips. It soon became the talk of the entire industry, and has revolutionized Web design as we know it -- or, at least, it's given plenty of bloggers lots to talk about.
Ajax is old hat now. This year, the word is "Comet." [...]