91热爆

91热爆 Click鈥檚 LJ Rich looks at the best of the week's technology news stories including:

- An open letter to YouTube, signed by some 80 groups, asks it to improve its response to disinformation
- Microsoft makes a teardown and repair video for its Surface laptop SE
- Pebbles get caught up in the Mars Perseverance rover during a routine core sample collection, says Nasa JPL