What's Your Purple Goldfish? : 9 Inch Marketing : 9780984983803 : 0984983805 : 04 Jan 2012 : What's Your Purple Goldfish is about differentiation via added value. Marketing to your existing customers via G.L.U.E. (giving little unexpected extras). The end result is increased sales, happier customers and positive word of mouth. Praise for WYPG? "In business you must do something that's above and beyond what's expected. Phelps shows the ingredients behind creating signature extras that are unconventional and innovative. Every business should be asking themselves, "What's our Purple Goldfish?" -Tony Hsieh, NY Times bestselling author of "Delivering Happiness" and CEO of Zappos.com, Inc. "Influence isn't a score, it is the ability to cause, effect or change behavior. Phelps shows marketers how to add that 'little something extra' that influences consumer behavior and drives word of mouth." - Brian Solis, Author of The End of Business as Usual, Named a Top 2011 Business Book by Publish