Prompt: Latest technology news summary

1. Facebook is testing a new Messenger feature that will let people message each other with live videos.
9. Apple announced new updates to its iOS and macOS operating systems that include a new Siri voice assistant for users of the iPhone and iPad, and a new feature called Screen Time that helps parents monitor how much time their children are spending on their devices.

2. Elon Musk’s Boring Company has announced plans to build a high-speed tunnel under Los Angeles that will be used to transport people between the city’s downtown and the South Bay.

3. Google is releasing a new update to its Chrome browser that includes a feature called Site Isolation that will help protect users from being tracked by websites.

4. Microsoft is announcing a new update to its search engine that includes a feature called Duplex that will let users make phone calls by speaking to the search engine instead of a human operator.

5. Facebook is releasing a new update to its app that includes features to help users manage their mental health.