Update 10 Feb 2011: Tim Bray has written a much shorter, clearer and less technical explanation of the broken use of hash-bangs URLs. I thoroughly recommend reading and referencing it. Update 11 Feb 2011: Another very insightful (and balanced) response, this from Ben Ward (Hash, Bang, Wallop.) , great job in separating the wheat from the chaff. Lifehacker, along with every other Gawker property, e