Apple Watch struggles with tattoos and darker skin types according to an article yesterday on BBC's website. Samsung Gear 2 has similar issues , according to a CNET report
The discrimination of Apple supremacism... Actually, it was a pretty good read. Don't feel like constant monitoring for heart conditions though.
Wait, what?! "Progressive" Apple didn't bother with beta testing of the device with darker-skin(ned) people and those with tattoos? LOL - at Apple, not the customers rightly offended.