Service fee charged
Based on transaction number or size
Event tickets
Web allows event promoters to sell tickets from one virtual location to customers worldwide
Online agencies earn a fee on every ticket sold
Ticketmaster
Web created secondary ticket market (StubHub, TicketsNow)
Brokers connecting ticket owners with buyers
Earn fees on tickets resold for others, buy ticket blocks
Web created easy-to-find central marketplace, facilitating buyer-seller negotiations