How to get invitation from Google plus

Google plus is a social networking sites have evolved to a great extent and are a good source of information which can help in personalizing the web experience (Google always pressed for the web experience to be person oriented). You need to go to  http://plus.google.com and see if it gives you the option of joining Google plus or wait for some more time. You need to just Google account for this. Trust me within very few days it will be open to all the users.  If you need more info please leave a comment.