Bots

Twitter misled users and U.S. regulators about "extreme, egregious" gaps in its online protections, the platform's ex-security chief claimed in whistleblower testimony that could impact the court fight over Elon Musk's buyout bid.    

Massive collections of fake accounts are lying dormant on Twitter, suggests research.
The largest network ties together more than 350,000 accounts and further work suggests others may be even bigger.
UK researchers accidentally uncovered the lurking networks while probing Twitter to see how people use it.