Using Google's reCAPTCHA on checkout and login is a way of reducing fraud, which hurts us with chargebacks and refunds.  Since we pay such high royalties to our authors (90% minus 50 cents, which is far higher than what Amazon or Apple pays), we have to take steps to preserve the slim margins (about 8% after the PayPal or credit card fees) that we do have.

However, this is a balance. We want the checkout experience to be as smooth as possible for legitimate customers, while as rocky and painful as possible for fraudsters. If you feel we have gotten this wrong, please email hello@leanpub.com. We value all feedback.

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