Ever do a Google search, find a link that is exactly what you're looking for, and when you click it you end up on a page full of ads?
This is the kind of thing Google says its upgraded Chrome Cleanup will help prevent.
It also promises to detect other types of malware and malicious extensions—even software that could harm your computer.
You can read Google's note on the update for yourself, which it bills as creating "A cleaner, safer web."
One thing to consider: some have noted the update gives Google the ability to scan exactly which extensions you add to Chrome and how you are using each one.
That sounds like a trending Twitter topic that is just waiting to happen.