[Who]

I forgot that there was info that was revealed sometime this week. From what I read up on Twitter and Tumblr:

Spoiler for Book 2: Spirits spoilers:

-Book 2 takes 6 months after the end of episode 12.
-Korra gets a new outfit, and a slightly rougher personality
-Mako is now part of the police force (doesn't make sense to me, since Bolin is the earthbender, but whatever)
-Asami is now head of the Future Corps Industries (her father's company)
-We're going to see the Southern Water Tribe in more depth; it's been built to the size of the Northern Water Tribe
-We're going to see the Air Temples
-We get to see Kya (Aang/Katara's daughter); her favorite niece is Jinora, apparently
-New character named Unarock, who's chieftain of the Northern Water Tribe and uncle of Korra. We also get to see Korra's cousins; a boy and a girl.
-More history about the Water Tribes
-Bolin is the only one remaining on the Fire Ferrets probending team
-Bolin will have a love interest. Whether it's Borra or Bosami or a new character altogether, still unknown
-Lots and lots of spirits of different types, more along the lines of Koh and not the animal spirits we saw from the first series.

Oh, and this little gem about the entire Gaang all grown up: