As Tesla has been known to do in the past. Elon announce through his Twitter handle, @elonmusk, a small but big announcement. Tesla will soon push an over-the-air software update the Model S P85 and P85D that will see increase acceleration roughly 0.1 seconds.
Tesla P85D 0 to 60mph acceleration will improve by ~0.1 sec soon via over-the-air software update to inverter algorithm
— Elon Musk (@elonmusk) January 29, 2015