If you're a technical person interested in digital security, here's a scary one: a team has produced two different documents, each with meaningful contents, but with identical MD5 hashes (signatures).
Tip of the hat to Bruce Schneier. The team's article is here.
This isn't quite the end-of-the-world-as-we-know-it, but...it shows that there might be a path there, which I for one was not expecting to be the case unless quantum computing is ever made practical.
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