mobile phones

Paul Taylor

Those innocuous-looking  ‘wall warts’ that plug into the mains to recharge the batteries in most portable electronic devices including mobile phones, laptops and digital music players have a dark side.

If you leave them plugged in after removing the portable device they continue to consume a small amount of power or ‘vampire energy.’ While the amount of energy wasted by a single wall charger is fairly insignificant, it quickly adds up if everyone does it. 

Robin Harding

NEC, Casio and Hitachi announced today that they are merging their mobile handset divisions. The following two graphs explain why:

Handset sales in Japan have been falling steadily since 2007, when the mobile networks cut subsidies on new phones, and the market has now all but halved in size. The blue line shows the twelve-month moving average of sales and the data is from the Japan Electronics and Information Technology Industries Association.