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100% Future Refund: As you may know, I'm also an inventor. I am now working on projects that will very likely provide all the money I need. To thank my customers for their support, I plan to eventually refund all book payments: at least 100% of the price paid, and perhaps a multiple of it: 10 to 100 times (or more), depending on how much I make.
Therefore, please notify me if your e-mail address changes. The best way to do that is by using the update registration link I gave to customers who bought in the last year or so. If you purchased books before that, contact me and I'll send the update registration link to you if I recall your name and/or e-mail address. If I don't remember you, I'll need to ask for some proof of payment.
If you're skeptical whether I am serious about this offer . . . well, don't be. I wouldn't bother making it unless I genuinely wanted to return what you paid, and hopefully much more.
By the way, I plan to continue updating the books even after the refunds.
