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This Tiny Robotic Pill Eliminates The Need For Hospital Visits In Stomach Cancer Detection
(www.ibtimes.co.uk)
This is a most excellent place for technology news and articles.
They've had similar pills for like 10-15 years in hospitals. They just take and transmit pictures.
Yeah I had one of these in the late 2000's. Had to wear a fanny pack to receive the data from it.