Parts of Brazil's Amazon rainforest are being illegally sold on Facebook, the BBC has discovered.

Owners of Roomba robot vacuums have complained the devices appear "drunk" following a software update.

Streaming platform Twitch has backtracked on a new policy to change its spelling of "women" after criticism from transgender communities.

Musician Grimes has sold several pieces of digital artwork at auction, raising a total of $6m - and their new "owners" do not own the work itself, meaning it can still be seen and shared online.

Amazon has opened a till-less grocery store in London - its first "just walk out" shop outside the US.

Brazil's Supreme Federal Court has ordered an inquiry into the sale of protected areas of the Amazon rainforest via Facebook.

One billion public-facing Instagram photos were used to train an algorithm created by Facebook to learn to recognise images by itself.

A Microsoft-led team has withdrawn a controversial research paper into quantum computing, published in 2018.

Computer generated fashion models have been around for a few years, but some companies are now creating digital-only clothing for their virtual models to wear.

The first digital-only art auction by Christie's auction house has netted $69m (£50m) for the artist Beeple.