But increasingly mechanical systems inside those gates are being linked to computers and controlled via networks and cyberspace.

CNN: Inside a government computer attack exercise

They linked various computers and labeled them as different cities.

FORBES: Magazine Article

Two computers linked by a network connection are required to power the experience.

BBC: MirageTable demonstration

As the skeleton of Cemex's internal communications network took shape, Iiguez linked together the computers at each Cemex plant.

FORBES: Cement meets the cyberworld

He scrapped top management, merged all purchasing operations into Cemex's central system, replaced old-fashioned ledger and handwritten accounting systems with computers and linked the operations via satellite and telephone lines to Mexico.

FORBES: Cement meets the cyberworld

Before computers were linked, people played by themselves.

ECONOMIST: Games and the Internet go well together

They first appeared in 2009 and are closely linked to the global network of computers which supports the currency and its users.

BBC: Canadian man to sell house for Bitcoin virtual currency

Bitcoins first appeared in 2009 and are closely linked to the global network of computers that supports the currency and its users.

BBC: Bitcoin virtual currency can now be used to pay for pizza

The arrest is the 17th made under Operation Tuleta, one of three linked Metropolitan Police inquiries into the hacking of computers and phones.

BBC: Operation Tuleta police arrest 48-year-old man