Forget pills, here comes e-pills!
The US FDA recently approved Proteus Digital Health Ingestion Event Marker ( IEM). Basically, it’s a pill with some electronics attached (very tiny electronics: around 0.5mm in diameter for a total weigth of 5mg, see picture below). Once activated the pill transmit a signal and, coupled with a detector, you know when the pill got into your body. Edible sensor for electronically confirming adherence to oral medications. ...