I tried out Bay Area Bike Share. Easy, comfortable bikes (they don’t feel as heavy as they are), you use a keyfob to check a bike out and then have 30 minutes to check it back in at a different station. They’re launching timidly, though, with only a few hundred bikes (1/100th the scale of the successful New York program), so I’m concerned they won’t get enough riders and mindshare. We’ll see…