LinkedIn’s stock has dropped along with that of other social media companies, but they have recovered and it has not. Photograph: Bloomberg via Getty Images

LinkedIn may be best known as a place for users to swap furtive notes with recruiters and spy on former colleagues. But Jeff Weiner, chief executive (...)

Marissa Mayer, chief executive officer of Yahoo! Inc., promised to detail a plan to cut costs and boost growth on Tuesday. (Photograph: David Paul Morris/Bloomberg)

Marissa Mayer is gearing up for yet another turnaround plan for Yahoo! Inc. Given the company’s persistent growth slump, even a sweeping overhau(...)

Generation smartphone: to manage their identities in and obligations to this world in their pockets, they adhere to rules absorbed and adopted by their peers. One girl said she showed Instagram ideas to at least three people before posting. Another said she deleted posts that did not garner enough likes.

Over the past decade, advertisers have spent untold millions trying to turn Talia Kocar and her peers in the millennial generation into loyal customer(...)

 Facebook chief executive Mark Zuckerberg. Propelled by its enormous user base, Facebook posted another quarter of robust growth in revenues — at $4.5 billion, surpassing Wall Street expectations — in figures released on November 4th. (Photograph: Max Whittaker/The New York Times)

Facebook is preparing to launch a new standalone news app called Notify next week, according to the Financial Times reported. The app will feature c(...)

  Dick Costolo, Twitter’s embattled chief executive, at the New York Stock Exchange during the company’s market debut. Photograph: Richard Perry/The New York Times

Twitter chief executive Dick Costolo abruptly announced he was stepping down on Thursday amid increasing scrutiny of the company’s slow user growth an(...)

Marissa Mayer: finally has something to crow about. Photograph: Simon Dawson/Bloomberg

Marissa Mayer finally has something to crow about as Yahoo reported a robust third-quarter performance this week, breaking a long pattern of revenue d(...)

Twitter: gaining popularity in emerging markets

CIARA O’BRIEN Twitter’s user base is set to grow by almost 25 per cent this year, despite concerns over its ability to maintain its popularity. New d(...)

Fintan Lonergan, managing director of O2 Media.

Spending on mobile marketing is on the increase, but almost a quarter of marketers say their companies do not have a mobile strategy, while abo(...)

Is Facebook the first  mobile-first company. Photographer: Andrew Harrer/Bloomberg

Ten years after its founding as a simple website for a few thousand Harvard undergraduates to manage their social lives, Facebook is a far different c(...)