Timex Epidigital Watch uses organic disposable nanobots to create a mark under the skin the can change so timekeeping can be achieved without a watch. The nanobots cause a reaction in the epidermis level of skin creating a mark. After a few days the nanobots dissolve and the wearer can get a new patch to start again. Surely this means that we can get tattoos that we can change once a week or even a moving tattoo, one that comes to life on the wearers body. My only concern is what happens if the nanobots don’t dissolve is there a safe removal method?