But some foreigners living here say one factor that hurt's South Korea's reputation is the difficulty many international companies have doing business here.

VOA: standard.2009.11.05

But the departures also point to the difficulty some people have working for Zuckerberg.

NEWYORKER: The Face of Facebook

But Mr Milosevic might soon have difficulty restraining some of his wilder supporters, even if he wanted to.

ECONOMIST: Kosovo

There are certainly some odd difficulty spikes and valleys, but over all what makes this game so enjoyable is the combat.

FORBES: Connect