I was 5 or 6 when I got my first sense of the joys of computer programming. This was in the early 1980s, when few people had a computer. One day, my dad brought home a Sinclair ZX Spectrum, one of the ...

With Apple’s Siri and other voice-recognition software becoming commonplace, you might take it for granted that we can now talk to computers. But as dependable as these systems have become, you will ...