The touchscreen is one of the most consequential inventions of modern times. They are now virtually everywhere and used by virtually every person every day.
The start of this story is tricky to determine, though.
A patent for a cathode-ray tube (CRT) screen that could react to touches of a stylus was filed as early as 1946. But it wasn't until 1965 that a screen with capacitive properties, meaning it could react to the electrical charge of a human body, was proposed.
And the first touchscreen to enter real-world use was created in 1973, when scientists at CERN eliminated the need for thousands of physical controls on their new particle accelerator.
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The potential for wider use of the technology was obvious, but it wouldn't be practicable until computing power became much stronger and cheaper.
That started to occur in the early 1980s, with touchscreens appearing first on desktop computers and then, come 1985, in a car. Yes, really.
If you had to guess which brand was the first to offer a touchscreen, Buick would surely be near the bottom of your list, synonymous as it is now with elderly customers, yet that is the correct answer.
Created by General Motors' Delco Electronics division, the Electronic Control Centre (ECC) was a touch-operated, monochrome CRT screen that gave Riviera drivers access to the car's climate controls, radio, gauges and diagnostic information, replacing 91 conventional controls.
There were still plenty of those on the dashboard, yes, but this was at the same time that British minds were being blown by the MG Maestro merely having a digital speedo and a synthesised voice to read out faults.
It didn't catch on, partly because some buyers didn't like this new control method and partly because a failed ECC would render functions unusable and cost $2000 to replace, but it was a sign of things to come.
The first time Autocar sampled a touchscreen – or rather "an in-dash TV" – was in a Toyota Soarer coupé imported from Japan in 1992.
"It has all the bells and whistles, but also all the style, of a Tokyo electronics store," we commented drily - and "all the controls have an infuriating habit of beeping when operated".
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