Take Two Digital Pills and Call Me in the Morning - WSJ.com
Proteus Biomedical Inc., is testing a miniature digestible chip that can be attached to conventional medication, sending a signal that confirms whether patients are taking their prescribed pills. A sensing device worn on the skin uses wireless technology to relay that information to doctors, along with readings about patients’ vital signs.

Take Two Digital Pills and Call Me in the Morning - WSJ.com

Proteus Biomedical Inc., is testing a miniature digestible chip that can be attached to conventional medication, sending a signal that confirms whether patients are taking their prescribed pills. A sensing device worn on the skin uses wireless technology to relay that information to doctors, along with readings about patients’ vital signs.