Is he brilliant — or just bizarre? Since taking over Twitter, Elon Musk has made a series of surprising decisions. Now he has changed the site’s name. Some think he has lost the plot.
Goodbye Twitter! Musk eyes ‘super-app’ X

Glossary
Twitter - A social media network, now known as X and owned by Elon Musk.
Elon Musk - A South African-born entrepreneur whose companies have included the online payment service PayPal. He now controls Twitter, renamed 'X'.
Execrable - Extremely bad.
Bankruptcy - When a person or group has no money left and cannot pay off their debts.
Big brother - In George Orwell’s dystopian novel Nineteen Eighty-Four, Big Brother is the supreme ruler of the totalitarian empire of Oceania. It has since become a phrase that is in general use that people use to refer to threats of government surveillance.
Meta - The new name of the company which owns Facebook and Instagram.