Smartphones team-up with QR codes for secure 3-D displays

Quick Response (QR) codes — the box-shaped symbols that appear on signs, posters, and even business cards — are a convenient and efficient way of accessing specific web pages with a smartphone or other mobile device. However, new research explains how QR codes can do much more.

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Story added 14. November 2014, content source with full text you can find at link above.