Yellow highlighter pen for web is a browser extension that you can use to point out important information in long webpages by highlighting text with your mouse. And you can share this highlighted version of page (with special short link) in social media, e-mail, IM etc. or just bookmark it with your favorite tool.
The WOT add-on is a crowd-sourced enhancement to your browser protection
It is a browser add-on which lets you search via your favorite search engine
