Hacker News new | ask | show | jobs
by qohen 5642 days ago
"I also hear people divulge way too much information in public...such as routing numbers, credit card details and the like...People need more than a privacy screen."

Would you believe...that technology to deal with this problem was actually invented in the sixties (for the intelligence community)?

And, while the original version was bulky, a portable version does exist. No doubt it could be updated for the 21st century.

Training Video: http://www.youtube.com/watch?v=eUoT0a9Rkac&NR=1

(There's a wikipedia page about this tech also, if you care to look).