10 things in tech you need to know today

1. The US Department of Justice is reportedly going to charge hackers in relation to last year's Yahoo hack, which compromised 1 billion accounts. The hackers are based in Russia and Canada, with the Canadian apparently more likely to face arrest.

2. Apple, Amazon, Microsoft, and Cisco have filed an amicus brief to help Google fight an order to hand over foreign emails to the FBI. The four companies argued that handing over data stored outside the US was an "invasion of privacy".

3. Mark Zuckerberg talked to North Carolina students about diversity, but his company employs fewer black people than Google, Apple, Microsoft, and Yahoo. He also defended Trump advisor Peter Thiel's position on Facebook's board, saying the company needed "diversity of viewpoints."

4. Former Google Ventures CEO Bill Maris is reportedly going to raise his own $100 million fund after saying the world didn't need "another venture fund." It will focus on biotech and healthcare startups and be based near Maris' home, San Diego.

5. The main executive caught up in Alphabet's Uber lawsuit started as working as a consultant for Uber much earlier than originally thought. Anthony Levandowski was consulting for Uber's self-driving arm weeks before launching Otto, which Uber eventually bought.

6. Uber has hired Cambridge AI academic Zoubin Ghahramani as its chief scientist. Ghahramani will oversee the company's AI Labs in San Francisco.

7. Google's updated Chrome browser won't consume so much battery life. The updated version will "throttle" tabs you have open in the background so they don't eat up so much power.

8. Ukraine's prime minister Volodymyr Groysman got in touch with Elon Musk about energy storage. Groysman tweeted the Tesla and SolarCity CEO, saying the company wanted to be a "test site for innovation", after Musk had discussed providing Australia with an energy solution.

9. Lots of high-profile Twitter accounts began posting swastikas and Nazi-related updates after a third-party Twitter tool got hacked. The hack affected accounts from Forbes and the European Parliament, among others, and appeared to come from the Twitter Counter analytics tool.

10. Amazon CEO Jeff Bezos has chosen Jeffrey Helbling, formerly vice president of Amazon's Kindle division, to be his new technical advisor. The role is known as being Bezos' "shadow", since it requires working with and assisting him on a daily basis.