Since your Editor's cell fell down the toilet while chatting and evacuating a pressing stream of urine at the same time, we cannot try out this allegedly nifty feature. But according to Amit Gupta, who snapped up the above image, "MUNI does a pretty good job of telling you how long you need to wait for the next bus or train."
So, dear readers, let us know: does it work? Better than sf.munitime.com (which we've also never tried)?