Last summer we noted Motorola’s vision of tattoos as password and identity authentication in our spotlight on the future of passwords, and now the first iteration has hit the market. Motorola teamed up with VivaLnk to create temporary tattoos—circuits wrapped in adhesive—that can unlock the Motorola X phone with a simple scan. Though the wearability is impressive, lasting up to five days on skin even through exercise or being submerged in water, remember that wearable tech must be beautiful, and the copper swirled fingerprint has ended up “looking a bit like a mole.” (TechCrunch)
