The focus on the leading funds from these companies makes it a much easier task to select the right mix of funds.

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But a new breed of task is becoming a bigger part of the Mechanical Turk mix, where at any moment as many as 350, 000 HITs are open for bids.

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Now add a 9.7-inch screen and a faster processor to the mix and you've got the ability to bop from one task to another in a blink.

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In an earlier report, the Royal Academy of Engineering had mapped out the scale of the task involved in moving to a low-carbon electricity supply - with a mix of energy efficiency, renewables, nuclear and clean coal.

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