And now, we present to you the latest in billionaire Twitter wars.
Mark Cuban and Donald Trump have been going back and forth for a little while now. Points of contention have included their respective reality TV shows, the performance of Cuban's Dallas Mavericks and other very important things.
For the full tête-à-tête, please feel free to go through their individual feeds, or consult Google. But here's the important news: It. Just. Got. Real.
How? Cuban escalated the smack talk by challenging Trump to a "Harlem Shake duel." We're not quite sure how that would work, but it does call to mind certain imagery. Here's Cuban laying down the gauntlet late Monday night...