The line between public and private has blurred in the past decade, both online and in real life, and Alessandro Acquisti is here to explain what this means and why it matters. In this thought-provoking, slightly chilling talk, he shares details of recent and ongoing research -- including a project that shows how easy it is to match a photograph of a stranger with their sensitive personal information.

Alessandro Acquisti: What will a future without secrets look like?

What will a future without secrets look like?

Facial recognition and social media data can strip away anonymity, turning a stranger's face into a doorway to their private info.

Experimental evidence shows that privacy designs can be manipulated, causing people to share more than they intend in just 15 seconds.

The future's fabric weaves privacy and big data together, suggesting technologies exist for data benefits without sacrificing privacy.