Can medical records become marketing? We investigate a reader's suspicious 'patient portal.'

There’s a saying among certain Silicon Valley billionaires that nobody cares about privacy. My inbox suggests quite the opposite. In recent months, my email, Twitter feed and Washington Post “Help Desk” have been deluged with your questions and concerns about the secret life of our data. You’ve shared your outrage at how smart TVs and credit cards, web browsers and iPhone apps treat our lives like a product to be sold.