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

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

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

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

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

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