While the original tweet is mysteriously gone, White Raver Rafting (by way of EDMTunes) posted a screengrab of the @UltraMusic twitter account dropping a pretty obvious tease/hint/whatever you want to call it about the headliner for the 2014 edition of the Ultra Music Festival:
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We have a whole year (literally) to find out if this was a prank or real life, but with a new album dropping in May, it seems like the best way to end a tour of their new album (Random Access Memories) would be for Daft Punk to headline the biggest North American EDM festival. We'll keep you posted (duh).