Alphabet and Microsoft post strong cloud growth as AI partnerships turn complicated

Computer systems that perform tasks that normally require human intelligence, such as understanding language, recognising images or making decisions.

AI is changing work, media and public services, raising questions about jobs, safety and regulation.

Delivering computing power, storage and software over the internet from large data centres, paid for as a service.

Most apps and websites now run in the cloud, making a few providers critical infrastructure.

A digital currency secured by cryptography and recorded on a blockchain, without a central bank issuing it.

Crypto prices are volatile, and governments are still deciding how to regulate it.