He was wearing a grey bomber-style jacket with black lining and hood, light blue bleached jeans that were ripped at the bottom and grey hi-top trainers when he went missing.

BBC: Mother makes plea over missing son Ross Ramsay

And so popular social networking sites in those countries like Hi-5 and Badoo will start to rise to the top.

NPR: 'iPhone' Tops Google Zeitgeist List

Computer monitors and speakers, printers, fax machines, hi-fi equipment as well as televisions and set-top boxes are among the biggest electricity suckers.

ECONOMIST: The much-talked-of smart grid prepares to enter the home

The hi-fi is well nigh amazing, regardless of whether the top is up or down.

WSJ: 2013 Mercedes-Benz SL550 Review: The Beauty Is All on the Inside | Rumble Seat by Dan Neil

You take all this very sensitive, hi-tech work - very complex - and you put it on top of a big, big firework.

BBC: Telescopes given 'go' for launch

Take the Teufelsberg eavesdropping station, a ghostly hi-tech cathedral of the cold war, perched on a hill-top in western Berlin.

ECONOMIST: New history museums