Instagram's latest AI obsession is dramatic “scribble portraits”. You will spot celebrities, creators, fashion pages and meme accounts turning ordinary photographs into striking black-ink artworks.

Got a new Apple Pencil? Once the initial novelty wears off, you might find that it spends most of its time magnetically clipped to the side of your iPad Pro or, worse, stuck in the back of a drawer.

Although the market for hand-drawn portraits largely collapsed following the invention of photography, there’s something magical about watching an artist create a lifelike image using nothing but a ...