One problem is that the block's two largest members have such different currency regimes: Brazil's floating (or sinking) real has lost over 40% of its value since its forced devaluation in 1999, whereas Argentina's peso is pegged to the dollar.

ECONOMIST: Another blow to Mercosur

Another problem is that Windows Phone is the new kid on the block.

FORBES: There's A "Deep And Stable Lack Of Consumer Interest" In Windows Phone, Claims Analyst

Fifty bitcoins are released when that block is done and the work, which involves solving a hard mathematical problem, is completed.

BBC: Rewards set to halve for digital money miners

The second problem is Karel Van Miert, the European competition commissioner, who has already intervened to block a number of broadcasting deals.

ECONOMIST: European television

But British Eurosceptics are already complaining about a reduction in Britain's ability to block legislation under the proposed new system, and the kind of amendment that Poland is suggesting would make that problem worse.

BBC: NEWS | Europe | Poles in war of words over voting