Presidents and other world leaders and political figures who use Twitter to threaten or abuse others could find their tweets slapped with warning labels. The new policy , announced by the company on ...

After nearly two years, George R.R. Martin returned to Twitter with an urgent warning for his fans.

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. X has warned users that it’s retiring the Twitter.com domain ...