Tonga's main island was blanketed in ash after a volcanic blast triggered a tsunami. Communications and power have now been restored, but the internet may be out for a while longer. An undersea cable may have been cut, and it could take two weeks to repair.

Amazon.com in November said it would stop accepting Visa credit cards issued in the U.K. starting Jan. 19. The online retailer is negotiating an agreement with Visa to continue accepting the cards.

Activision Blizzard Inc. has fired or pushed out more than three dozen employees. The videogame giant has also disciplined about 40 others since July. A summary of those personnel actions was scheduled to be released before the winter holidays.

Misty Robotics has been acquired by Swedish social robotics company Furhat Robotics. Furhat says the acquisition will give it a leg up on the hardware side of the social robot market. The two companies will continue to support each other, with Furhat looking to expand its product range.

David Chalmers is a philosopher and professor of philosophy at New York University. He argues that we will soon be able to live a good life in virtual and real worlds. Advances in computing will see virtual worlds rival or surpass the physical, he says. With limitless, convincing experiences, the material world may lose its allure.

Wikipedia editors voted against classifying NFT art as art on a list of the most expensive works by living artists. The vote sparked fury among digital artists who say the decision could deprive NFT artists of legitimacy. The online encyclopedia's decision isn't binding, but the debate highlights confusion surrounding the art world.

US venture capital firms raised $12.8 billion in the first week of the year. This amount is more than the amount raised in the entire year of 2009 or 2010. The bulk of the funding comes from Andreessen Horowitz, which announced it raised $9 billion.

Safari 15 lets attackers get your browser history and Google info from Safari 15 across all supported platforms. Attackers can also get your Google account info from third-party browsers on iOS 15 and iPadOS 15. Apple hasn't yet addressed the issue. The only solution may be to use a third- party browser on Macs or block all JavaScript.

Tech companies are experimenting with shorter work week to attract and retain talent. Advocates say condensing workweek will make workers more productive and help with recruiting. Some tech companies are starting to offer employees four- day weeks. Tech might be more suited to the idea than finance, but some analysts say it could be a challenge.

David Johnston, 36, is a crypto entrepreneur and investor. He moved his family from Austin, Texas, to Puerto Rico in March 2021. The U.S. territory offers huge tax breaks for those who spend 183 days a year on the island. Johnston says he doesn't have one friend left in New York.

North Korean hackers launched at least seven attacks on cryptocurrency platforms last year to steal almost $400 million worth of digital assets. The attacks primarily targeted investment firms and centralized exchanges. The Lazarus Group — a hacking group that is part of North Korea’s primary intelligence agency, the Reconnaissance General Bureau — is suspected of carrying out the attacks.

Microsoft said in a blog post on Saturday it observed destructive malware in systems belonging to several Ukrainian government agencies and organisations that work closely with the Ukrainian government.