Who knows ? Now that you're writing in it, it is connected to TRF by a time-like interval. It might as well be inertial to it... From that point on, no physical law can distinguish the two anymore. Lubos, you're doomed! ;-)
Indeed. He thought he was making a shameless attempt to engage in blatant advertising but what he doesn't know is that he is being drawn into our web. A reference frame is, of course, subjective, plus he underestimates our awesome power in google.