A computer system designed to determine which Americans get what subsidies to help them buy health coverage will be hugely important to the success or failure of Obamacare, Bloomberg reports. And new federal data show doctors have filed more than 190 million prescriptions electronically.

From: http://www.news-medical.net/news/20130718/Health-law-computer-database-hub-links-7-agencies-spurs-privacy-concerns.aspx