Requesting offline profile data for online use in a privacy-senstive manner

A system comprising one or more computers under the control of an ISP, which one or more computers are structured and connected:

• to receive, at a computer associated with an Internet Service Provider (ISP) and from a requesting server or from a subscriber's computer via a redirect, a plurality of electronic transmissions, each including an IP address, a time and a date;
• to log the electronic transmissions in a log;
• to determining when a threshold is met based on entries that have been received in the log;
• after the threshold is met, to automatically determine, by the computer, a subscriber of the ISP that is associated with the IP address at the time and date for a given entry in the log, including determining identifying information associated with the subscriber;
• after determining the subscriber identifying information, automatically, by the computer, to transmit from the computer and to an offline data provider, an electronic communication, the electronic communication including the subscriber identifying information and not including the IP address of the subscriber or online activity of the subscriber, the electronic communication being of a form that causes a computer of the offline data provider to deliver offline data to the requesting server without delivering the offline data to the ISP, which offline data concern the subscriber, which communication does not convey to the offline data provider information pertaining to a history of online activity of the subscriber via online access provided by the ISP, and which offline data do not convey to the requesting server a personal identity of the subscriber, wherein the electronic communication includes information for at least one entry in the log;
• and
• to cause a delivery of offline data about the subscriber to be delivered from the offline data provider to the requesting server.