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Tragic Titan submersible’s $62 SanDisk memory card found undamaged at wreckage site
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
And despite his knowledge and experience, chose to join the haphazard mission in pursuit of something he apparently valued more than the risks. So it sounds like he made a very clear choice and was dealt the expected hand from said choice.