Chad Spangler, TikTok

Never let it be said that an impending national app ban and swarming billionaire vultures ever stopped TikTok from plowing ahead.
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halbergman/Getty Images
Getty Images
Charles Platiau/Reuters

Welcome back to Gizmodo’s March Madness bracket challenge to name the greatest app of all time! Flappy Bird punched above its weight in yesterday’s contest but ultimately folded and with 54 percent of the vote, iMessage advances to the next round. Today, the Dick Pic app goes toe-to-toe with the short-form video…