Elon Musk said Sunday he "somewhat agonized" over the font designs for his companies Tesla and SpaceX. The billionaire businessman added he "loves fonts" and has tweaked the logos over the years.

Also a new touch, the bold, italicized font along with its stylized, angled ticks mimics the edges and details of the updated mark. Now 'BOLT UP' isn't just a rallying cry, salutation or general term ...