I rode a bird. Then I met Zelda.
The Zelda demo this year has a bird-riding section, a dungeon, and a boss fight. There's also a 10-minute time limit. For my first experience with the game at E3 2011, I rode a bird and screwed around in the dungeon for a bit.
The bird riding uses the MotionPlus a lot, as you tilt it subtly to steer the bird, and shake it from side-to-side to flap the bird's wings and gain altitude. The A button charges, and the B button slows down. The goal of the segment was to capture a bird twice. The first time, it was easy, as you just had to maneuver behind and above the bird and catch it. The second time, the jerks around the bird threw eggs at you. It wasn't too difficult either time, but controls felt nice and were intuitive and fun.
The dungeon shows off some weapons we saw last year, including the Bow, Slingshot, Bombs, and that flying bug. They all control the same as I remember the game last year at E3 2010. I was a bit stumped by the dungeon, though, as I couldn't find a key and the Nintendo reps present were either clueless or didn't want to tell me. Before I got a chance to figure it out, the demo ended.
However, bird riding was fun, and I hope it has a bigger exploration part in the final game, coming this year. It should be noted the reward for catching the bird is to meet with Zelda, who doesn't appear to be a princess at this point of the game. She's just a hot girl all the dudes want to impress. Put that in your story-loving pipe and smoke it, Zelda fans. We'll get more details on the title, the story, and the gameplay as soon as we can.