https://news.ycombinator.com/item?id=6927905 (tau.ac.il) (94 comments)
More discussion:
https://news.ycombinator.com/item?id=6948526 (schneier.com) (34 comments)
Other submissions:
https://news.ycombinator.com/item?id=6940827 (theregister.co.uk)
https://news.ycombinator.com/item?id=6938536 (dailymail.co.uk)
https://news.ycombinator.com/item?id=6935289 (tau.ac.il)
https://news.ycombinator.com/item?id=6933255 (slashdot.org)
https://news.ycombinator.com/item?id=6932445 (slideshare.net)