Re:Ask HN: What problems don't have a profitable business so...
by LeonB on Tuesday December 12, 2017 @06:44PM
(#15910618)
There is gold in the ocean, in very small quantities. It's not viable to extract it.
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Re:Ask HN: What problems don't have a profitable business so...
by evanlivingston on Tuesday December 12, 2017 @10:25PM
(#15911775)
That's not really a problem.