The riddles were used to unlock each chapter in Harry Potter and the Half-Blood Prince.
Pottermore does not have a search engine.
Pottermore is British. It is in the GMT timezone.
I would say J.K Rowlings Pottermore. Or Tom Riddles (chamber of secrets) diary where you, yourself can talk to Tom. There are many sites for fanfictions, one of them is fanfiction.net (surprise;)
Pottermore is out for public release is October
Rupert Grint does not have a Pottermore account.
No. Pottermore opened to the public on 14th April 2012.
You can find a guide on the Pottermore Wikia.
Yes, you need an email address to register on Pottermore.
you need an email address to sign up to pottermore
There are currently over 10.8 million registered users on Pottermore.
The fastest cauldron in pottermore is the Copper Cauldron, which costs 25 Galleons.
Yes, Pottermore is a completely free experience.There is a shop connected to Pottermore but you are under no obligation to buy anything. This shop sells the books, merchandise and is the only place to buy the e-books .