Gone are the days of looking to clicks as the almighty, make-or-break metric behind our digital marketing efforts. At the same time, clicks are still the first step toward any meaningful engagement online.Internet "hubs" that recognize and accommodate those needs are social and search platforms like Facebook, Twitter, Google and Bing, respectively.But, before I go too deep into the intersection of PPC and Inbound Marketing (which is why you're here, right?), let's briefly take things back to basics ...