if you want to invite all the people to a Event or a Page please follow following steps
1) Go to the Page
2) Click + Select Guests to Invite (on the left, below Ron's image)
3) When the box pops-up, copy and paste the following script into your Address Bar (Remove all the link in Address bar http://facebook.. crap, only the script)
4) Hit enter, and then a little box should pop up. Hit ok, and scroll down (slowly or at a medium speed) to select all your friends.
5) SUCCESS it allowed me to easily invite over 1,000 of your friends
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Gazzalyblog was mine now i change the name as Greenhathackers