There's a new facial expression in town...
CEO Marissa Mayer announces greater encryption levels for users' data after reports of the US government gaining access to Yahoo data centers
Data shows that US makes the most requests, but exact numbers are still obscured due to 'gagging order'
Doodle challenges users to release as many virtual sweets as possible by thwacking a star-shaped piñata with a stick
Changes to the app for iPhones will try to increase Flickr's presence in the mobile photography market
Although measuring traffic online isn't an exact science, whether you choose to measure unique visitors or each hit makes a big difference.
New rankings vindicate CEO Marissa Mayer's changes to the ailing brand
The search engine will now warn users when they are in danger of accessing illegal material
Xobni is the third acquisition from Yahoo in as many days
Acquisition continues Yahoo's continued push into mobile
George Polis: I have 2,000 shares ... and I'm a dirty old man
Gabriel Weinberg tells us why he thinks people are turning away from Google
The new interface is based around high-resolution photographs
Deal for £723m in cash justified by Tumblr’s impressive numbers as one of the world’s fastest growing social-media networks
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.
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.