How to Hide Facebook Application Notifications

It looks like everyone is one Facebook nowadays. This is a good thing, it creates a whole new virtual world for one to concour. There is one problem though some people have found an ingenious way of spamming peoples pages and groups through the various apps .
If you want to block facebook app notifications
1. Go to the notifications tab on the left part of the page
2. Browse the applications that have permission to populate your news feed
3. You can then block the offending applications as you choose instead of your friend