David Shier is a former software engineer and marketing/sales director in the electronics industry. He is now President of Shier Systems & Software, Inc., and a principal in D&A Software, Inc. Together these companies develop and market products and applications for the palmtop computer market. David can be reached at: Phone: 805-371-9391; Fax: 805-371-9454; E-mail: david@shier.com; Web site: http://www.shier.com