This is a Chrome browser extension that displays the count of Facebook notifications, messages, and friend requests. This is actually a widget for the Chrome extension "Awesome New Tab Page". Without Awesome New Tab Page, this extension does nothing. If you'd like to use this widget, you must also install it.
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
