Internet giants Facebook and Microsoft say they received thousands of requests for data from US authorities last year but are prohibited from disclosing how many related to national security.
Facebook revealed Friday it received between 9,000 and 10,000 requests for user data from US authorities in the second half of last year, as it seeks to shield itself from a growing scandal.
Facebook on Wednesday added Twitter-style hashtags to help the more than one billion members of the social network tune into topics of interest at the leading social network.
Facebook shareholders on Tuesday grilled leaders of the social network regarding how they planned to revive the company's stock and protect user privacy from snoops including US spy agencies.
Internet giants from Google and Facebook to Yahoo and Zynga are scrambling to adapt to an online world where people reach for smartphones or tablets instead of traditional computers.
Google chief Larry Page and Facebook co-founder Mark Zuckerberg condemned online spying Friday and called for governments to be more revealing about snooping on the Internet.
Facebook and Twitter launched applications Thursday for Google glasses as developers rushed to learn more about tailoring software for the Internet-linked eyewear yet to hit the market.
Facebook's profit in the first quarter of this year climbed as it used its grip on people's online social lives to challenge Google and Apple for revenue from mobile ads and apps.
Facebook on Wednesday said it will delete beheading videos being shared at the leading social network as it re-evaluates its policy regarding whether such content is acceptable.
Facebook co-founder and chief Mark Zuckerberg scored more than $2 billion worth of stock and $503,000 in base pay last year for running the world's leading social network.
Electronic Arts on Monday announced that it will "retire" some Facebook games that seem to have fallen out of favor with players at the leading social network.
Facebook unveiled a software suite Thursday that stakes out a "home" on Android smartphones as it steps up its challenge to Apple and Google in the booming mobile market.
A website thought to be the handiwork of Mark Zuckerberg at the age of 15 resurfaced on the Internet on Thursday, providing a glimpse into the early days of the famed Facebook co-founder.