Social media is often seen as a mirror for human cruelty. One man built a TikTok army of 500,000 to fix it. Their weapon: kindness.
To save power and add capacity, data centres are switching from copper wires to tech using light.
The BBC visits Inner Mongolia, an unlikely frontier in Beijing's AI race with Washington.
The BBC is in Inner Mongolia where dozen of Chinese data centres are being constructed, as the country aims to lead the world in artificial intelligence.
"The use of the word artificial makes it sound fake," he said told the UN. "It's not fake, it's actually amazing."
The president said his administration "will not in any way hinder or stifle the growth" amid amid warnings about the emergent technology.
The AI model accessed the internet and guessed credentials to three websites, a Google official told the BBC.
Cyber Correspondent Joe Tidy looks at some of the scenarios being imagined and assesses how likely they are.
As Australia considers barring the use of smart glasses in government offices, the BBC asks people in Sydney what they think.
