UPDATED: Not everyone is affected by the apparent bug, which "memorializes" profiles in the event of a Facebook user's death.
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The company's international users remained stable, but lost around 1 million users from the US from the third-quarter.
The microblogging giant's new chief executive Jack Dorsey called the layoffs "tough but necessary decisions" that would enable Twitter to move toward growth.
The microblogging site's chief operating officer Ali Rowghani announces in a tweet he will be leaving, one day after a report said the company was reshuffling its executive suite.
A case against Twitter was dismissed after a Manhattan judge said the complaint "does not allege that Twitter secretly limited that authority contrary to the standard practice in the securities industry."
Samsung's dancing a delicate line that social media marketers can learn from after the President was snapped in a selfie that was used for commercial purposes.
UPDATED. The microblogging giant, set for an initial public offering in coming months, revises its opening share price. IBM also took a swipe with patent infringement claims.
The popular seven-year-old social networking company files for an initial public offering, revealing hundreds of millions of dollars in revenue.
The microblogging giant continues to spin its business model as it hires former Ticketmaster chief executive as its new commerce head.
The microblogging service isn't going to throw itself on the stock market any time soon, Twitter's co-founder said in an interview.