Members can choose to securely copy or print any portion of a document by paying a small fee.
Internet users no longer have to make risky purchases based on short summaries or commit to expensive subscription fees. Although you have viewing access to content, you are restricted from taking that content unless you pay a fee first. This restriction on content manipulation is how copyrights is protected. There have been a number of attempts to solve the online copyright protection problem. These attempts are based on the lock-box key model in which users pay before viewing or pay a subscription.