Does the Inertia of a Body Depend Upon it's Energy Content? was published in the journal Annalen der Physik one hundred and four years ago today kicking off Albert Einstein's miracle year and the red hot E = mc² craze that was to follow. Like many of us, myself included, Albert's parents Hermann and Pauline probably never really understood what all the E = mc² stuff was all about, but they knew their boy had talent and that, as Ron wrote and Russell sings, "talent is an asset". You need to start at about 2:16 in to listen and watch what I'm talking about, but enjoy the first song too. After all, it's Saturday.