 The sales personnel earned commissions from door-to-door selling of the print encyclopedias, which McHenry believes led to decisions about the distribution and pricing of the electronic products being driven by the desires of the sales personnel rather than market conditions and customer expectations.After ending publication of its print edition, which at the end supplied only 1% of the company's revenue, it hoped to transition to a CD or online version.Sales of both of these were disappointing — inability to compete with Wikipedia is mentioned.