I love it. I feel that having the downloader physically typing the number zero ensures that the downloader understands that there is 'A' number that belongs the

I love it. I feel that having the downloader physically typing the number zero ensures that the downloader understands that there is 'A' number that belongs there. It respects the downloader (no ads or pushy verbiage) while sending this message of 'yeah, it is free to use, and it costs money/time/resources to create, so your financial contribution would be appreciated.