Another difference in costs that can be considered is that of injuries.

Accidents happen, but the fatality rate is much higher for both drivers and pedestrians when you involve 12 tons of steel traveling 25+mph.

Built in RSS feeds make it great for keeping up with what friends want to share.

Here is a link to an essay by Pollan, essentially a transcript of his talk at the 2006 Bioneers Conference.

Beyond the Bar Code: The Local Food Revolution.
http://www.bioneers.org/pollan

@ scottfree

I remember that same funny scene of NYPD on mopeds, but it got decidedly less funny when they jailed me overnight and impounded my bicycle for two months, on bogus charges that they knew would be thrown out in court.

The process becomes the punishment.

To the left of GLQuake is NPR Quake.

"Frag of the Nation"
"This American Deathmatch"
"Science Fridays, this week's topic: rockets."