Bolivia's future now depends on whether Mr Morales and his allies puff up or deflate.

ECONOMIST: Turmoil in Bolivia

For years, American cosmetic surgeons and dermatologists have used bovine collagen to puff up lips and fill in facial folds.

ECONOMIST: The cosmetic-enhancement business

Others stoop to buying followers to puff up the veneer of influence.

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The cell produces more structural proteins, which in turn puff up the skin and give it the appearance of improved tone and elasticity.

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For instance Bill Gates, who one would assume has no reason to puff up his Twitter status has, according to StatusPeople, 41% fake and 38% inactive users out of his total 8 million followers.

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But the point that Americans are ruining English is enough to puff a Yank up with pride.

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"Then the whole thing goes up in a puff of smoke, " she said.

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These use light waves to scan individual green beans, which are rejected by a puff of air if they show up as defective.

ECONOMIST: Espresso coffee

By no means a way to puff myself, I would like to let you know that I grew up in an average middle-class family with no relatives who were professionals or even went to college.

FORBES: Readers Say

Like recent offerings from Ford and others, the 2014 model adds a much larger 9.4 kWh battery to last year's non-plug-in hybrid, letting you trundle on electrons alone at up to 80MPH for 20 miles or so with with nary a puff of CO2.

ENGADGET

"Pinch a cup of porridge oats from the breakfast buffet, tie it up in a sock, float the sock in a hot water, then use as a puff to massage your body, " Coombe added.

BBC: Beauty treatments abroad