They now control about half the country, despite splits in the movement and differences in strategy and tactics between Uganda and Rwanda, which support different rebel factions.

ECONOMIST: Congo

Both banks agree that full-scale merger is not the right strategy so long as huge differences remain in Europe's tax and company laws.

ECONOMIST: British banking

Ability to execute: What may be the case, is that despite doing pretty much the same thing, following the same strategy, there can be substantial differences between the firms in terms of their profitability.

FORBES: Let's Face It: In Most Industries, Firms Pretty Much Do the Same Thing

Changes in how people approach a task are interesting and important, but without careful evaluation of strategy shifts, better expert performance might wrongly be attributed to more fundamental differences in perception and memory.

FORBES: Do Video Games Make You Smarter? Maybe Not.

In late 2007 Cory Ondrejka, chief technology officer for Linden, left following reported differences over strategy among the company's executives.

BBC: NEWS | Technology | Second Life creator changes role