80/20 applies to almost everything in business that you can count. Almost every frustration you have in sales has something to do with ignoring 80/20 principle.
Perry Marshall
One of the most expensive business consultants in the world.
Did you know that:
80 % of your sales come from 20% of all your customers!
Marketing is the context for just about everything.
Ken Segall
Author and advertising creative director. Specializing in technology marketing, Segall was Steve Jobs' agency creative director for 12 years working for NeXT and Apple, and also for Dell, Intel and IBM.