I don't know if this counts. I worked briefly at a place that was making sensors for fitbit-style wearable medical devices. One thing that was really cool was

I don't know if this counts. I worked briefly at a place that was making sensors for fitbit-style wearable medical devices. One thing that was really cool was a device that could measure your blood alcohol level. They were trying to miniaturize it to fit in a watch or whatever. The investors and intended market are a staunchly Muslim oil oligarchy. (In case it's not clear: ¿ɥǝ 'sɯǝlqoɹd ǝq ʇɥƃᴉɯ ǝɹǝɥʇ sɹǝlɐʇoʇǝǝʇ ɟo uoᴉʇɐu ɐ oʇ sɹosuǝs ǝzooq lɐuosɹǝd ɔᴉʇɐɯoʇnɐ ǝɔnpoɹʇuᴉ noʎ ɟI )