When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
Check4Change (aka C4C) is a simple extension that allows you to periodically check a web-page for updates...
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.