how have i never thought more about the industrial design of the IBM 5120, and those *upright* 8-inch floppy drives? 
pic.twitter.com/jGxgZ4nptF
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That red switch has a fascinating history. As far as I know it was pretty much a brand thing for IBM, confining from big red emergency buttons on older mainframes. ThinkPad designers eventually had to walk around that to redefine red in context of IBM.