Yet Mr Cheng and his fellow directors may have found a clever solution.

ECONOMIST: Hong Kong's stock exchange

Mr Granger devised a clever solution to this, called co-integration.

ECONOMIST: Economics focus

It has been a clever solution, but obviously the Chinese government is well aware of the practice and is said to be evaluating the use of VIEs going forward.

FORBES: Looking at Chinese VIE's

Reversible data-hiding offers a clever solution.

ECONOMIST: MONITOR

It's a clever solution to lugging around a separate keyboard or specialized case, but it's hard to say if RIM will implement what it's learning into a finished product -- the firm isn't in the best position to experiment with new tablet concepts, and we've already seen a few imminent solutions to the concealed keyboard problem from other vendors.

ENGADGET: RIM applies for patent on tablet with concealable keyboard, keeps your QWERTY love a secret

This doesn't seem like a particularly clever solution, until you compare it with all the others.

FORBES

Might a clever candidate champion a solution to the water problem?

ECONOMIST: London��s sinking

The team's solution is a clever one, if not especially pretty: human waste.

ENGADGET

But what concerns your correspondent about this chapter is that it spends most of its time describing an apparently cheap, simple solution to climate change: a clever idea fermented in a small set of laboratories at Intellectual Ventures, a firm run by Nathan Myhrvold, who was once Microsoft's chief technology officer.

ECONOMIST: The controversy over SuperFreakonomics