I hate to be all "get off of my lawn," but "growth hacking' isn't really a distinct thing. It's a combination of marketing, branding, social media management, engagement analysis etc., which are frequently grouped together as the responsibility of one individual in the early stages. This is partly because there's not really enough work to partition these into distinct roles until your product or service has evolved a little!<p>Ultimately, it's just buzzword-speak for knowing your market, advertising your product to them, and analysing the results. All the same features as traditional marketing, and the things this article highlights as important.