Jumping spiders generally do not spin webs like other spiders: when they detects a potential prey, they typically begin orienting themselves. This is how fast they are.

The fact that no one is asking why is this happening on a laptop blows my mind.

Little jumping spiders always get a free pass in my home ... they're useful, kind of like mini geckos.

Someone needs to put this in front of a hyper slow motion camera

Attack of the spider-tailed viper is filmed for the first time in the world.

I'm always amazed by their sudden quick movements, even when they're not hunting. Like they warp from point to point!

Spider:

Your computer has bugs. You should get it serviced.

They can bite

Some measurements have clocked their jump speed as exceeding 150mph! Even if it's half that, that's nuts!

Keyboard for scale