Purple Cow

From Publishers WeeklyThe world is changing ever more rapidly, and the rules of marketing are no different, writes Godin, the field's reigning guru. The old ways-run-of-the-mill TV commercials, ads in the Wall Street Journal and so on-don't work like they used to, because such messages are so plentiful that consumers have tuned them out. This means you have to toss out everything you know and do something "remarkable" (the way a purple cow in a field of Guernseys would be remarkable) to have any