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Submission + - evercookie: the invulnerable cookie (downloadsquad.com)

An anonymous reader writes: Using eight different techniques and locations, a 'security' guy has developed a cookie that is very, very hard to delete. If just one copy of the cookie remains, the other locations are rebuilt.

My favourite storage location is in 'RGB values of auto-generated, force-cached PNGs using HTML5 Canvas tag to read pixels (cookies) back out' — awesome.

The trouble with being poor is that it takes up all your time.