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Lexar unveils the world's first SD cards made of 316 stainless steel
(www.techspot.com)
This is a most excellent place for technology news and articles.
Worrying about the plastic in an SD card just feels like bike-shedding to me, but keep up the good fight, I guess.
Yeah it's the equivalent of finding two dollars on the ground and getting excited because at this rate you'll be a billionaire soon enough. There's less than 2g of plastic in an SD card - the buttons on your shirt probably weigh more.