Most Tricksfacebook visitors will have noticed that the method that we reported some months ago that allows you to invite all friends to subscribe to a page, group or application does not work anymore …
This method that required you to copy code into the address bar of the browser no longer works after a recent update of Facebook.
Here is a new method!
From the moment when you click "Suggest friends" you will see a new link called "Toggle All." Click on it will select all your friends. (See picture)