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The first and only rule of the internet is simple: don't feed the trolls. But in the days before it became synonymous with angry and awkward threats from angry and awkward people - say, in 2008 - trolling was considered something of an art-form.
As the government looks to introduce two-year jail sentences for those convicted of posting abusive messages, it's worth remembering that, when done well, 'trolling' can shock, amuse and even inspire.
Don't believe us? Read on...