First, pork prices have been too low in recent years, causing many farmers to switch to the production of other types of livestock.

FORBES: Pork Prices and Inflation

Mr Perret said France Telecom had partnered with Baidu because the search firm had helped mobile networks in in its home market of China cope with a similar switch from basic mobiles to low-end smartphones.

BBC: Egypt phone

If the only thing keeping you from making a switch to low-cost mobile provider Ting is the pain of early termination fees, we've got a bit of good news: come February 1st, you can tell your current carrier to get lost.

ENGADGET

To investigate what impact a forced switch to a low-lipid regime might have on the development of red-legged kittiwakes, the Kitaysky lab designed experiments to explore the effects of various diets.

BBC: NEWS | Science/Nature | Birds hit by climate, diet shift

This helps to keep costs low and so, it is hoped, will nudge more users of Microsoft's Windows to switch to Apple.

ECONOMIST: Taking care of its core | The

You can also add a brightness toggle that lets you switch between low, medium and full, which is extremely useful considering the lack of auto-brightness mentioned earlier.

ENGADGET: LG Optimus L9 review: an affordable mid-level Android handset for T-Mobile

The switch to Sunoco Green E15, the official fuel of NASCAR and a renewable, low-carbon power source, reduced greenhouse gas emissions by 20% compared with unleaded gas.

FORBES: NASCAR Green Is Really Purple

The standard economic argument against Fairtrade goes like this: the low price of commodities such as coffee is due to overproduction, and ought to be a signal to producers to switch to growing other crops.

ECONOMIST: Food politics