FOR USE WITH FEATURE TITLED VIRTUAL THERAPY -- Esther Begle, left, wears a virtual-reality helmet as she demonstrates a therapy session at Virtually Better Inc. in Atlanta, May 23, 2000, to combat her fear of flying. She reaches toward Ken Graap, CEO of Virtually Better, who uses a computer to control the simulated flight that Begle experiences.  (AP Photo/Ric Feld)