Sometimes you just can't cover a topic in a single article. Our tech tutorials are created to delve deeper into some of the larger concept areas in technology and computing.
As in any field, there are big-name pioneers in tech. Here we look at some of those who made a huge impact but received much less recognition.
Learn about the history behind some major technological innovations - and how they changed the world.
The introduction of spreadsheets helped launch the movement that eventually brought computers to home users. Writer John McMullen was there when it more..