There are a small handful of companies, including Integrity Consultants, that do offer video shopping services, and the shoppers who are qualified to do those jobs make a great deal more money than the typical written shop pays.

FORBES: How I Made $14,000 A Year Mystery Shopping

People who work in jobs which require them to do a great deal of reading are likely to suffer from the condition, known as presbyopia, and will need glasses earlier.

BBC: Eyesight: The effect of age

The great majority of people know how to behave, want to do their jobs well, and are predisposed to be helpful to their colleagues.

FORBES: Control Technology Choice, Not Technology Use

If the people in the Great Plains are going to be subsidised to do something, does it not make more sense to subsidise jobs in the construction and assembly of power plants and the generation of clean power rather than an unhelpful distortion in the world's agricultural markets?

ECONOMIST: Regulating radio