Patent ID: 8660539

Claim:
A server system for collecting usage statistics and recommending targeted advertisements to a user of a mobile telecommunications device, the system comprising one or more processors adapted and programmed to: receive usage statistics signed with a secret key from the user's mobile telecommunications device by tracking content usage of the user in accordance with a license associated with at least one piece of electronic content, wherein the license is configured to be enforced by a digital rights management engine running on the mobile telecommunications device, wherein the license comprises obligations that represent operations that the mobile telecommunications device must perform when use of the electronic content is requested, and wherein the usage statistics include one or more types of events selected from the group consisting of: how many times advertisement is played, play/stop events, clicking on an advertisement, skipping forward and/or skipping back part of a content item or advertisement, voting for a content item, responding to a survey associated with a content item or advertisement with certain response, skipping a survey entirely, a content item was presented in its entirety, and application and/or content forwarding behaviors; verify that the usage statistics signed with the secret key were received from the user's mobile telecommunications device; classify, according to the usage statistics, the user of the mobile telecommunications device into one or more categories with varying degrees of affinity; and recommend targeted advertisements for products and/or services based in part on the one or more categories into which the user of the mobile telecommunications device is classified.