" ... digestible chip that can be attached to conventional medication, sending a signal that confirms whether patients are taking their prescribed pills. [and] ... generate a wealth of new information about patients' evolving conditions and the impact of drugs they take ... " <http://online.wsj.com/article/SB124934548487503195.html>http://online.wsj.com/article/SB124934548487503195.html www.peoplewho.org