David Shier is a former software engineer, and a marketing and sales director in the electronics industry. He is now President of SHIER Systems & Software, a company dedicated to developing and marketing custom products and applications for the palmtop computer market. David can be reached at: SHIER Systems & Software, 920 Hampshire Road, Suite A, Westlake Village, CA 91361, Phone: 805-371-9391, Fax: 805-371-9454; CompuServe ID: [75030,3374].]