There is an engineering principle saying that we must avoid a single point of failure. Don’t let the failure of one component of a plan destroy success. Always have an alternate component that can fill in. CB Superstar is the application of this principle to marketing. Almost all online marketers are dependent on Paypal to collect their revenue for them and transfer the receipts to them. John Thornhill says we should all be spreading our business across as many different payment platforms as possible so that if Paypal freezes our account we can still do business online. You probably have... [...]