Abstract: In one embodiment a personal data portal is provided to collect personal data associated with a user. The personal data may be of interest to third parties such as marketers. The personal data may be generated through the normal use of personal data generation devices such as mobile phones, navigation systems, personal computers, payment transponders, etc. As such, the personal data may include physical locations visited by the user, virtual locations (websites) visited by the user, telephone numbers dialed by the user, payment transactions for the user, etc. Access to the collected personal data is provided to the third parties for a fee. Advantageously, at least a part of the fee may be shared with the user.