Originally Posted by RawAlex

When you have a strong product where the client pays you every month / year / transaction and has a business need for your product, playing defence is a valid way to work to maintain business and expand using word of mouth / related companies / related people strategies.

It is how IBM worked the mainframe buisness for years. Once you were hooked, selling you the next piece of software or next hardward platform or upgrade was easy money.

Alex