 One may wonder why social media services tend to be free to use, but none the less, often make fabulous profits for the private companies that offer these services. It is no deep secret that the way these companies make profit is through the selling of information that the users are uploading to the system as they interact with it. The more users, and the more information that they provide, the greater the value that aggregating that information becomes. Mark Zuckerberg stated his philosophical commitment to the social value of this in his letter to shareholders from February 1, 2012: 