The internet mystery that has the world baffled
Sleepily – it was late, and he had work in the morning – Eriksson thought he’d try his luck decoding the message from "3301”. After only a few minutes work he’d got somewhere: a reference to "Tiberius Claudius Caesar” and a line of meaningless letters. Joel deduced it might be an embedded "Caesar cipher” – an encryption technique named after Julius Caesar, who used it in private correspondence. Feeling satisfied, he clicked the link. It was a picture of a duck with the message: "Woops! "If something is too easy or too routine, I quickly lose interest,” says Eriksson. Eriksson didn’t realise it then, but he was embarking on one of the internet’s most enduring puzzles; a scavenger hunt that has led thousands of competitors across the web, down telephone lines, out to several physical locations around the globe, and into unchartered areas of the "darknet”. For some, it’s just a fun game, like a more complicated Sudoku; for others, it has become an obsession. GCHQ's 'Can You Find It?'
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