Silicon Valley Letter

‘You’ll know all about this when you hit 40,” I joked, straining my eyes to spot my name on an ID badge for a tech “meetup” at the Googleplex in Mount(...)

Facebook has finally launched its new Snapchat-inspired Slingshot app to an international audience, more than a week after it first became availabl(...)

Social network Facebook has moved into the fitness tracking market with its acquisition of Helsinki-based ProtoGeo Oy. (...)

When Brian Acton and Jan Koum incorporated WhatsApp in 2009, they probably didn’t give much thought to the future sale prospects of their compa(...)

Mobile is taking over everything. Not content with dominating how we communicate, it seems that mobile technology is destined to play an increa(...)

Mark Zuckerberg, chief executive officer of Facebook, speaks during a keynote session on the opening day of the Mobile World Congress in Barcelona, Spain. Photograph: Simon Dawson/Bloomberg

Facebook chief Mark Zuckerberg took a victory lap at the world’s largest mobile technology conference in Barcelona today, after beating out Goo(...)

Facebook’s great gamble

How is a US start-up technology company, which employs 50 people but has 450 million users of its global messaging application, worth $19 billi(...)

With its listen-in feature, Shazam is collecting information about  how ads attract consumers’ attention, as well as how they react. With that data, the company can build up user profiles to generate analysis it can then sell to brands or use to advise them on ad strategies. Photograp: Simon Dawson/Bloomberg

This year’s Mobile World Congress may prove to sceptics of mobile-phone advertising that it’s not about uninvited banners and annoying pop-ups (...)

You’ve got mail: Facebook now owns four of the world’s most desirable smartphone apps. Photograph: Brent Lewin/Bloomberg

Karleen Smyth might be the quintessential WhatsApp user. She is 26, from Co Clare, lives in Dublin and has friends in Australia, the US, Britai(...)

Never in the history of technology acquisitions has a company’s name been so apt. “What’s the WhatsApp app?” was the tongue-twister on a lot of(...)