What Could It Be??

There’s a special pleasure in having a long-held theory confirmed. #TWoIaF #ASoIaF

— Elio & Linda (@westerosorg)

January 31, 2014

Quick introduction for those of you who don't know who Elio Garcia is.  Elio Garcia, along with his girlfriend, Linda Antonsson, run the website Westeros.org, which is one of the largest websites dedicated to A Song of Ice and Fire.

So when they say that they have had a "long-held theory confirmed," this should definitely spark your interest.