I have received an invitation to a luncheon to discuss my back nerve problems from a group I do not know. The only people who know about this problem are my doctors who are all within the same group. So how did this other group know about my problem? Did someone sell my medical problem? That would be a HPIA violation of the law. This was a personal addressed invitation. I am not sure how to proceed, but if I get some great advice here, I will send $250 to FR and as Proof of that commitment, I will send...