The devices are grey market add-ons that can be soldered to a console's main circuit board to bypass copyright controls.

BBC: Jail for seller of illegal Xbox chips

The figures show impressive increases across the board in a year where e-book popularity - in particular the likes of Fifty Shades of Grey - hit the headlines for racking up massive sales.

BBC: Fifty Shades of Grey

Kodak, like Fuji, has partly evaded those tariffs by selling most of its film through Hong Kong companies, which often smuggle the film in through the grey market, but its ambitions for the fast-growing Chinese market demanded a more above-the-board solution.

ECONOMIST: Kodak in China: Smile, please | The