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Quote of the day by pioneer Douglas Engelbart: 'The digital revolution is even more significant than the invention of writing or printing' β€” an audacious claim about interactive computing

16 September 2026 at 23:00

It's hard to imagine how we'd interact with computers today without the work of engineer and inventor Douglas Engelbart, who pioneered many aspects of computer science and also invented the computer mouse. The breadth and depth of his work led him to believe that humanity's digital era could be the most significant in its history.

The digital revolution

Engelbart, then a researcher at the Stanford Research Institute where he led the development of interactive computing, was delivering a demonstration now considered by many as legendary.

Quote of the day

This article is part of TechRadar Pro's QOTD project to provide an insight into the minds of the brightest and most recognized figures in the technology industry today and in years gone by. Read the full series here.

This spoken presentation, known as 'The Mother of All Demos', involved a 90-minute showcase in which his team described their progress to a captivated audience.

Engelbart wasn't standing at a podium, but at a computer that was based 30 miles away in his research lab. The event cycled between spoken passages, live demos, and different members of the team using teleconferencing to speak about different technologies.

A new era

During this talk, he delivered his opinion that their work, which would lay the foundation for advancements in the years to come, was a more important contribution than both writing – and even printing.

This was an incredibly bold prediction, because he was comparing the digital revolution to core aspects of the human condition. Writing and printing fundamentally opened pathways for sustainable knowledge transfer, allowing humanity to pass on and build on progress over the course of millennia.

If anybody was poised to know the significance of the computing era, it was Eglebart. His work was at the heart of many of the technologies that we take for granted today, including the humble computer mouse. In 1964, he built a small, carved wooden block featuring a single button on top and two metal wheels beneath to track movement. He went on to demonstrate this for the first time at his 1968 demo.

Quote of the day by Telsa and SpaceX CEO Elon Musk: 'A manufacturing line is fundamentally thousands of times harder than the prototype' β€” an insight into the difficulties in scaling up from a concept to the finished product

10 September 2026 at 23:00

Elon Musk has been at the heart of promoting various companies throughout the 21st century, with two of his most prominent companies anchored in the notion of mass production. In the case of his infamous clunky and angular Tesla Cybertruck, he encountered several difficulties in bringing the prototype to market.

Planting the seed

Musk was speaking about the rigors of bringing the Cybertruck to life during an appearance on the Joe Rogan podcast.

Quote of the day

This article is part of TechRadar Pro's QOTD project to provide an insight into the minds of the brightest and most recognized figures in the technology industry today and in years gone by. Read the full series here.

Rogan asked how far away Musk was from delivering the vehicle to people, with Musk revealing at the time that the timing was about a month away.

But the prototype was initially unveiled in November 2019. Explaining the delay, the Tesla CEO hinted that the process of manufacturing the vehicle proved much harder than expected given the need for consistency in producing each model.

Rinse and repeat

There's an element of common sense in buying into the idea that making a prototype is much easier than mass-producing a finished version of that product.

Not only is there a much lower tolerance for error, but establishing the supply chain for materials, components, and resources is far more complex. Then there's the economics of it all – ensuring that the cost to produce one vehicle can, at least, be recouped by a customer should there even be a willingness to pay for it.

It's reminiscent of the "production hell" phrasing that Musk has also frequently deployed through the years – especially during a manufacturing crisis between 2017 and 2018. During this time, the Tesla production line became a futuristic and automated process known as the "alien dreadnought" – but this robotic network eventually slowed down manufacturing and prevented Tesla vehicles from being ready on time.

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