Roland Häder (roland)'s status on Tuesday, 24-Nov-2015 12:16:07 CET
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Roland Häder (roland)'s status on Tuesday, 24-Nov-2015 12:16:07 CET Roland Häder @realramnit #Sybil-Attacke faellt mir da spontan ein: https://en.wikipedia.org/wiki/Sybil_attack #wikipedia