... So, is no one going to point out that, "simplex" is also the latter half of "herpes simplex"? ๐คข๐คฆ๐ผโโ๏ธ
edit: downvote all you want (reddit habits are hard to break, it seems), but the usage of Simplex in commercial product lines seems to have fallen out of favor by the mid-1900s... Conspicuously similar to the timing of said STI rampaging through the US population. Couldn't possibly be related, though. (see: link below)