There are currently over 10.8 million registered users on Pottermore.
Pottermore allows you to duel with other members.
There is at least 2
Pottermore does not have a search engine.
Pottermore is British. It is in the GMT timezone.
Yes, you can find many things. For a guide per chapter see the Pottermore Wiki.
Pottermore is out for public release is October
Yes, there is a section to practice spells and a section for duelling with other members. If you duel you can earn house points.
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