At 4 a.m this morning (AZ time) this is what looked like:
So what is Pottermore???
“An Online reading experience like any other” “the same story with a few crucial differences” – “Pottermore will be built”.

“Pottermore is a free website that builds an exciting online experience around the reading of the Harry Potter books.

Come back on 31st July to find out how you can get the chance to enter Pottermore early.”
Now I don’t know if that really tells us much more than what we all thought – ebooks/stories… what about games, interaction?  I guess we will have to wait now again (no happy but you have to keep the Potter Hype alive! – not that it really needs help)

According to Leaky (an incredible source):