Salesforce agrees to acquire AI startup Cresta for about $2.7 billion

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.

A young company built to grow quickly, often around a new product or technology, usually funded by investors.

Startups create new jobs and industries, but most fail, which is why funding rounds are closely watched.

The purchase of one company by another, giving the buyer control of the target's business.

Acquisitions can speed growth for the buyer but raise competition and job concerns.

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.