Bad form? Controversy over Elon Musk's Twitter takeover continues, after he engages with critical tweets of two high-ranking Twitter staffers
Jack Dorsey rejoins the company he founded as Dick Costolo is shown the door
Twitter’s share price has soared more than 11 percent following the publication of its FY 2014 Q4 results.
The boss of Twitter has promised to clampdown on the 'horrific' problem of online trolling, bullying and abuse
A massive injection of funds - and users - had emboldened Twitter to address its poor business image
