Khalid Albaih is a political cartoonist from Sudan. In our interview, he talks about why he called himself an internet artist, how algorithms censor, why cartoons are important contemporary documents – and why they really don’t have to be funny.

Humour can be a powerful and non-violent tactic for protesting against authoritarian regimes. It has been used effectively in countries from Serbia to Thailand.

True and apparent seriousness separate journalism and satire. The task of the latter is to question the conclusions of the former, explains Tim Wolff, publisher of satire magazine Titanic. He predicts: Both are facing an uphill battle.