Youtility is marketing so useful, people would pay for it. Here are 9 inspirational examples of companies doing it right.I chronicled many examples of companies creating useful marketing in my book, Youtility. Since then, however, there have been dozens of new instances of companies making truly useful marketing. Here are 9 of my favorites: (note: I wrote a version of this post for the Marketo blog).
Via Jeff Domansky, Brian Yanish - MarketingHits.com