![Sean Ellis of GrowthHackers: growth for growth's sake is not a winning strategy.](/web/20161126141101im_/http://www.smh.com.au/content/dam/images/g/s/x/x/2/c/image.related.wideLandscape.460x259.gsw1qj.png/1480168627024.jpg)
How the fastest growing companies reel you in
Sean Ellis is a one-man marketing phenomenon, yet marketing doesn't begin to describe how he built customer bases in the multimillions rapidly for companies like Dropbox, LogMeIn and Eventbrite. So he coined the term "growth hacker".