U.S. tech giant Google unveiled a 150 million euro ($163 million) project Tuesday with eight European publishers to support online journalism after being accused of anti-competitive behavior by EU regulators.

The online firm's Digital News Initiative is intended to "promote high quality journalism through technology and innovation," a top Google executive announced in London.

Facebook on Monday began rolling out video calling on its Messenger mobile application, enabling face-to-face conversations among users of the app around the world.

With the new feature, users can add video to calls to another person with the same application.

Apple on Monday reported a sharp rise in its quarterly profit, lifted by robust sales of its iPhones and a jump in revenue from China.

The California tech giant said profit rose 33 percent from a year ago to $13.6 billion, lifted by sales of 61 million iPhones in the first three months of the year.

U.S. Internet giant Yahoo said Monday it was expanding its online offerings, unveiling 18 new video series with which it hopes to attract a larger audience and advertisers.

Of these, 14 will be featured in Yahoo's digital magazines, which focus on beauty, show business and finance.

"Call of Duty: Black Ops 3" is enlisting a few new recruits.

The third installment in Treyarch's popular military shooter saga is adding the option to play cooperatively with other gamers in the plot-driven campaign. The developer is also ditching traditional avatar customization in its multiplayer mode, instead opting for players to pick among nine distinct characters, each with their own unique weapon and ability.

French IT services and consulting company Capgemini said Monday it was buying New Jersey-based IGATE for $4 billion (3.7 billion euros), boosting its U.S.-generated business to 30 percent of its total activity.

"IGATE is a leading company that perfectly fits our strategic ambition. It will give us a new status on the American market, and take further our industrialisation journey to offer ever more competitive services to our clients," said Capgemini president Paul Hermelin in a statement.

Google was re-evaluating its user-edited online map system Friday after the latest embarrassing incident -- an image of an Android mascot urinating on an Apple logo.

The image, part of a crowd-sourced edit on Google Maps, appeared briefly at a Pakistani location before it was removed by the online giant Friday.

Amazon said Thursday that strong gains in its market-leading cloud computing services helped drive a 15 percent rise in total sales in the first quarter.

But the bottom line was red for the leading U.S. online retailer, with a loss of $57 million, compared to a net gain of $108 million a year ago, due to continued growth in operating overhead.

Google's latest Internet revolution this week saw the web giant modify its search algorithm to favor mobile-friendly sites, in a bid to upstage Apple that U.S. media branded a "mobilegeddon".

U.S. technology website WIRED described Tuesday's algorithm switch as "likely the biggest change of the past three years.

Apple has won an appeal in China over patent rights to voice recognition software such as the iPhone's "Siri", with a court overruling an earlier decision that had gone against the US technology giant.

The legal battle begun in 2012 when Shanghai-based Zhizhen Network Technology pursued Apple for allegedly infringing its Chinese patent with Siri, its "intelligent personal assistant".