In Cairo, Egypt, a protestor in Tahrir Square reads the latest news on his tablet computer. The Egyptian and Tunisian revolutions are often described as "Facebook revolutions". (Reuters/Asmah Waguih)

In the village of Bithoor in the northern Indian state of Uttar Pradesh, children gather around an "internet classroom" on wheels. (AP Photo/Rajesh Kumar Singh)

Under the watchful eyes of Marx, Engels, Lenin and Stalin, a man takes advantage of wireless internet access at the Museum for Socialist Art in Sofia, Bulgaria. (Reuters/Stoyan Nenov)

US onion farmer Bob Hale of Hermiston, Oregon, shows a client his wares in realtime from the field. (AP Photo/Don Ryan)

A "capsule inn" in Shanghai provides the very basics, plus wireless internet. (AP Photo/Xinhua Fan Xiaoming)

An Algerian delegate checks his email during the 2012 Socialist International Congress in Cape Town, South Africa. (EPA/Nic Bothma)

Using a laptop, football fans keep tabs on the match near the river Elbe in Hamburg, Germany. (Reuters/Christian Charisius)

German Economics Minister Philipp Rösler and Chancellor Angela Merkel consult an iPad during a cabinet meeting in Berlin in 2012. (AP Photo/Rainer Jensen)

Pilots should soon be able to access flight manuals and performance-calculating applications on tablets. Aircraft manufacturer Airbus began providing such technology in 2012. (Keystone/Handout Airbus)

In Japan, you're not allowed to talk on a mobile phone while using public transport, but surfing the Web and checking email are very popular pasttimes – even on holidays. (EPA/Robert Gilhooly)

A woman uses her phone to publish photos of a festival in Riyadh in Saudi Arabia. (Reuters/Fahad Shadeed)

Some Swiss trains provide W-Lan for travellers. (Keystone/Martin Rütschi)

The project "One Laptop per Child" aims to provide a million children with internet access via sturdy and inexpensive laptops. Pictured here is a boy near Mumbai, India. (Reuters/Danish Siddiqui)

Swiss photographer Denis Balibouse files his pictures under a full moon sky from Mont-Cenis Pass Road in Lanslebourg, France, during the 2011 Grande Odyssée sled dog race. (Reuters/Denis Balibouse)