Some Pebble owners were understandably perturbed when their smartwatches seemingly went dead after a shutdown -- that's not the best first impression of an emerging technology. Some credit is due for a rapid turnaround, however, as the Pebble team just delivered a 1.9.1 firmware upgrade that should tackle the problem. It fixes a bug that occasionally prevented the microcontroller from reconfiguring itself before the watch went dark, leaving the buttons unresponsive on wake and t
