Life and Style 'Angry Birds' and other mobile game users are reportedly leaving their personal information open to secret harvesting by government spies

Metadata from iPhone and Android apps can leak data about the phone's model, age of users, gender and location

A Yahoo! out front of their headquarters in California. REUTERS/Kimberly White

Prism scandal latest: Yahoo reveals 12,000 requests for users' data from US government, following lead of Apple, Facebook and Microsoft

Figures show that law enforcement made over 12,000 requests between December 2012 and May 2013

Government says internet companies are 'turning a blind eye' to online child abuse images as Maria Miller calls on Google, Yahoo and BT to take action

Internet chiefs will today be accused by the Government of turning a blind eye to the number of child abuse images that can be accessed online.

Google, Facebook, Apple and YouTube have all had their data targeted by the NSA

Prism and the US internet giants: The relationship, the numbers and the language

The US has been accessing private data of 'foreigners' for years - so who are the eight companies in the Prism scandal, and what was their role?

Yahoo CEO Marissa Mayer, and Tumblr Chief Executive David Karp after Yahoo's acquisition of Tumblr

Within a week of buying Tumblr, Yahoo joins Time Warner in race for Hulu

The online video service, founded in 2007, allows users to watch TV shows

The new Flikr redesign

Flickr unveils new redesign as Marissa Mayer promises the site will be 'awesome again'

The new interface is based around high-resolution photographs

James Moore: Yahoo CEO Marissa Mayer risks failure as she tries to buy her way out of a jam with Tumblr purchase

Is Marissa Mayer riding for a fall? Or just a bit of a Tumbl(r)? It all depends on whether she can successfully generate a bit more than the pitiful $13m (£8.6m) of revenue that Tumblr, the blogging website she is going to use $1.1bn of Yahoo’s money to buy, has so far managed.

The statement from Yahoo CEO Marissa Mayer begins with a promise “not to screw it up”, whilst assuring users that David Karp will remain CEO and that Yahoo! will “operate Tumblr independently”.

'We won't screw it up': Yahoo buys New York-based social network Tumblr for $1.1bn as chief executive Marissa Mayer rules out radical changes following negative reaction

Deal for £723m in cash justified by Tumblr’s impressive numbers as one of the world’s fastest growing social-media networks

David Karp, the founder of Tumblr, will be the latest Silicon Valley tycoon

A match made in cyberspace? Yahoo! set to buy Tumblr for $1.1bn

Not quite a year after arriving at Yahoo! from Google, chief executive Marissa Mayer has apparently persuaded her board to approve the purchase of Tumblr – the go-to website for legions of young bloggers and internet sharers – for $1.1bn in cash, despite it making just $13m in sales last year.

Nicola Mendelsohn, a former advertising executive, is an outspoken advocate of flexible working hours for mothers

Nicola Mendelsohn gets top Facebook job as head of European operations – so can she pack it into a four-day week?

She is successful, driven and widely respected in the advertising and media worlds. But the British woman who was given the helm of Facebook Europe is unusual for another reason – her insistence on working a four-day week.

Nick D'Aloisio

Summly app created by British teenager is bought by internet giant Yahoo in deal worth 'dozens of millions' of pounds.

Yahoo purchased the Summly app, which summarises news stories from popular media companies, from its 17-year-old creator Nick D'Aloisio

Google and Yahoo! randomly juxtaposed Beverly Stayart's name with a number of drugs used to treat sexual dysfunction

Cyber culture: The perils of Googling yourself

"Have you ever tried Googling your own name?" asks fictional Tory MP Peter Mannion in an episode of The Thick Of It. "It's like opening the door to a room where everyone tells you how shit you are."

Margareta Pagano: Going ga ga over the blah blah and goo goo at Yahoo

You would think that Marissa Mayer, who runs Yahoo, had burnt her baby and the entire sisterhood at the stake for all the vitriol she's received after suggesting that staff get back into the office.

'Corporate America’s most celebrated working mother': Marissa Mayer, CEO of Yahoo!

A world wide web of communication - but Yahoo! tells its staff to get back in the office

Boss of internet giant bans working from home - weeks after she built childcare facilities in her own office

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