Abstract: A method to identify and reach users of mobile devices to provide relevant and real-time information including discount coupons and promotional messages is disclosed. The present invention uses short range connectivity present in most mobile devices to identify mobile devices and reaches the mobile devices using long range or short range communication to provide relevant and real-time information. In one embodiment, the present invention enables identifying new and existing members in stores implementing customer loyalty programs to effectively share information about discounts and promotions with existing customers and convert prospective customers in new members. In another embodiment, the present invention enables tracking of user in events including trade shows, exhibitions, seminars, city tours etc, to provide relevant and real-time information based on the location and the needs of the user.