Each algorithm can usually be represented by a set of straightforward steps, and programmers often use visual flowcharts to show their thought processes for solving each individual step with code.

(For more background, check out our first flowchart on "What is AI ... it can be fed into a machine-learning algorithm. Machine learning is the process that powers many of the services we ...

To clear things up, I drew you this flowchart on the back of an envelope so you can work out whether something is using AI or not. This originally appeared in our AI newsletter The Algorithm.