The Cannes Film Festival and the question I couldn't answer.

It's a better question than it sounds. She's nine. She watches films on the sofa in her pyjamas, which is, she correctly observes, probably more comfortable than a suit or a gown and approximately as good for the film itself.

I tried to explain: the red carpet, the press, the competition, the industry gathered to see itself. She listened. Then she asked: 'So they're watching each other more than the films?' I said that wasn't entirely wrong. She said: 'That sounds exhausting.'

The WHO released new digital health recommendations this week. The headlines reduced them, as they always do, to a single number — two hours — and a warning. The actual document is more nuanced than that. It distinguishes between different kinds of screen use. It notes that context matters. It explicitly says the evidence is mixed and that categorical rules are harder to defend than the headlines suggest.

The WHO document is forty-two pages. The headline was six words. This is not the WHO's fault — the headline is what gets read, and the WHO knows this. But the gap between the forty-two pages and the six words is where most of the actual information lives, and it doesn't make it into the coverage.