The artificial intelligence firm says it wants to prevent “catastrophic misuse” of its systems.

Nvidia says the tool will transform game graphics – critics warn it could squeeze out artistic expression.

The UK regulator said the ad condoned “digitally altering and exposing women’s bodies without their consent.”

It is hoped Charles H Bennett and Gilles Brassard’s work will make digital communications secure for decades ahead.

However, the government’s position is now unclear, saying it “no longer has a preferred option” for what to do next.

There has been criticism the Echo has stagnated, while other AI chatbots have become much easier to communicate with.

An analyst tells the BBC how she tracked down a victim of child sexual abuse after years of searching.

The fine includes £450,000 for lack of age checks to prevent children from seeing pornography.

Meta wants creators to “rediscover” Facebook, but a social media expert says viewers will not follow.

The finance firm has apologised for the disruption to its website and app, which has angered many customers.