I know a lot of you will not care, but I'm a fan of Harry Potter and I must say Pottermore is amazing. It opened today (http://insider.pottermore.com/2012/04/were-opening-to-everyone.html). You can join here: http://www.pottermore.com/
I have no idea. Some replied with a cryptic "disappointing". I am still waiting for my email validation.
It's basically an interactive way to get through the story, and you get all the additional in-universe information you could ask for and more dumped on you along the way. You can opt not to read it all ... but, in a way, that just defeats the point of the whole thing. Wait 'til you get to Ollivander's, where you'll get the chance to read about EVERY SINGLE TYPE OF WAND EVER