I rarely have a good experience with Cabulous or TaxiMagic in SF. Drivers will drop your pickup in an instant if they see someone hailing a cab on their way to

I rarely have a good experience with Cabulous or TaxiMagic in SF. Drivers will drop your pickup in an instant if they see someone hailing a cab on their way to you. I usually go through 3 drivers or so before one actually picks me up.