Retreating Arctic ice is considered a key indicator of the pace of global warming by environmentalists, and one that could have devastating knock-on repercussions for the wider climate, including warmer oceans and rising sea levels.

CNN: Arctic melt worse than predictions

Though the euro zone's economy continued to shrink in January, it did so at a slower pace than in recent months, the Eurocoin indicator of activity indicated.

WSJ: Europe's Banks Repay Aid Early

But the ease with which it was produced and the pace at which it went viral is another indicator of just how easy it is to spread hate in the Internet age.

FORBES: Jimmy Wong Saves the Internet