UPDATE 11-August-2011: My 150 invitations have now been exhausted. However, other newsletter readers have kindly offered to share their extra invitations. Read the comments section below this article for details.
If you have extra invitations that you are willing to share, please post a comment below giving the link to your invitations.
In order to use Google's wildly popular Google+ social networking service, you must first receive an invitation from someone who is already a member. I am a member and about a month ago I offered to send an invitation to any newsletter reader who wanted one.
About 18 hours later, I had to rescind the offer as I used all 500 invitations that Google allowed. However, I now have more invitations and also have an easier method for you to receive an invitation. Unfortunately, this time I only have 150 invitations. First come, first served.