I really like all the features of the eStore, but I was unable to find any mention of anti-piracy protection. Specifically, I would like to be sure that if a user buys my digital product (let's say it's a eBook), then does eStore offer anything to prevent this user from giving it to his friend to read (for free)? I know the friend can't download it using the same link, but that doesn't stop the user from uploading it elsewhere or emailing to around to others.
If not, do you know of any good (and inexpensive) products that help to avoid this?
Thanks in advance for your assistance.