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"cheaper (eventually) hardware" Best case 2-3 years from now. Otherwise it will take a major global recession to get us anywhere near last year's prices.

"the US has become an unsafe place to keep your data"

I empathize with this but curious what would make any other country a better safehaven for your data? I personally like the EU's approach to data safeguards, but are there other locales/data protections you have in mind that would keep your data "safe".

ahhh fourmilab. I still run John's earth screensaver.

Nice work, clean and simple.

Careful about data distribution/licensing as exchanges have explicit data distribution clauses with Yahoo. If you got permission through Yahoo you're all set.