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

<p>Keumars Afifi-Sabet is a freelance contributor for Tech Radar and Technology Editor for Live Science. He has written for a variety of publications including ITPro, The Week Digital and ComputerActive. He has worked as a technology journalist for more than five years, having previously held the role of features editor with ITPro.