So the Chronicle says not that many people took advantage of free public transportation today for the first Spare The Air day of the season, but the BART train we were on was certainly pretty crowded. We love Spare The Air days, where all of a sudden the kids that everyone always says they never see in San Francisco materialize out of nowhere and ride the rails all day. (Or for today, until 1 p.m., when the BART gates slam shut.) We almost asked a group of giggling youth on the platform "shouldn't you be in school?" but didn't want to go all Principal Ed Rooney from Ferris Bueller's Day Off on them. Watch out for Ferraris falling from garages later today! more ›