But the half-speed? I haven't used it once, and I can't imaging how it'd be useful to anyone. It's echo-y and annoying, and I'd love to hear about someone who's found it beneficial.
I'd also like to point out that Chris Anderson has posted Free, his book about the price of the new economy, as a series of podcasts which can be downloaded for the low, low price of zero. How do I love the Freeconomy? Let me count the ways.