The Benefits of Access Control Technology (Besides the Obvious)
Using technology—scanners, RFID, wristbands, dashboards—to control and monitor the access to a concert, session room or conference, has one obvious benefit for paid admission/restricted access events: individuals that have not paid/are not registered cannot be admitted.
More information: http://www.alliancetech.com/blog/201204/the-benefits-of-access-control-technology-besides-the-obvious