They are current subscribers of international magazines, the editorial contents of which can be classified under the following: dietary and weight control, child health care, cancer prevention, care for the different parts of the human anatomy (cardiac, prostrate, etc.), fitness exercises and work-outs, and many others. These subscribers have all signed up for a paid subscription for duration of at least one year. About 60% of these publications are issued monthly, and the rest are released weekly or quarterly. Some 70% of these subscribers are sourced by subscription agents through door-to-door selling; the rest by direct marketing by mail, fax, e-mail broadcast.