Use browser security add-ons!

Why users should...?

Because when you search online for software or services, links to malware or rogue is around.
Because when you click on a page or link, malware or rogue installers are around too.

So what browser security add-ons do you use?
We have a discussion at Calendar of Updates on September 2007 and I bump it today by updating what browser security add-ons is effective still and what is the new add-on that is also effective: Read it!