The main reason to store your user data is to give you access to the products you purchased. We also use your e-mail address to notify you about updates, new releases and news.
You may cancel our right to use your information at any time. If requested, we only remove your address from all of our mailing lists or delete your personal information altogether - except for anything required by law or kept as part of your purchase or the service we provide to you.
At any given time you have the right to request the information we stored about you cost free.
Unless required for legal investigations or if it's in the best public interest (e.g. suspected credit card fraud) we do not share your information.