Patent ID: 8015117

Claim:
A computer implemented method for anonymous reporting, in a system for targeted data delivery, comprising: collecting, by said computer, user information about a user from at least one electronic device associated with said user; generating, by said computer, a user profile based on said user information; storing, by said computer, said user profile, wherein delivery of data is targeted to said user based on said user profile; and anonymously reporting, by said computer, user activity related to said targeted data, comprising: aggregating, by said computer, metric information associated with said user activity from a plurality of users; generating, by said computer, an encrypted number and transmitting said encrypted number to a third party; receiving, by said computer, an encrypted blind digital signature of said encrypted number from said third party; generating, by said computer, a signed authorization number by decrypting said encrypted blind digital signature, wherein said signed authorization number is signed by said third party but unknown to said third party; attaching, by said computer, said signed authorization number to a report detailing said user activity; and sending, by said computer, said report with said signed authorization number to said third party to preserve reporting privacy of said user, wherein said third party authenticates said report using said signed authorization number.