It should be a simple feat in San Francisco, which has only two subway lines. But checking the acrossair website shows information only for the London and New York versions, and even those are said to be “launching as soon as Apple approves it!”

Update a day later: Speaking of BART, Streetsblog draws attention to the transit system’s “data transparency,” meaning that it allows anyone to use live data from its train control system to build applications, and lists the resulting applications on its website.

Trading in Apple shares was temporarily halted, with the shares losing 8% when after-hours trading resumed.

Phone calls are hit or miss… About half of my calls don’t connect, fail in the middle or otherwise have weird silent dropouts throughout the call… Data connections on AT&T are brutally slow… I thought SF was supposed to be wired?

Maybe it’s just as well Apple is dropping out of the show next year. With attendance this year already down, it should really fall off when the main vendor doesn’t show up — if the conference happens at all. So maybe next January there’ll be no problem at all making pizza orders on your iPhone.