You don't have to be Tinder to light a fire under your customer base, with word-of-mouth marketing tactics. Leave it to a dating app to demonstrate the instant success a creative social media marketing approach can bring to a new business. Tinder -- the location-based dating service that facilitates matchups between interested parties -- used a tactic best described as word-of-mouth advertising in a digital format To successfuly launch its app. In a recent   podcast , Tinder co-founder and CEO Sean Rad revealed that the company grew by 50 percent the day after it texted 500 individuals a link to its app. That tactic and other word-of-mouth campaigns grew Tinder's customer base from 20,000 to 500,000 users in less than a month. Clearly, entrepreneurs hoping to quickly reach and grow their own customer bases must embrace social media in all its forms. Social media's free word-of-mouth nature can attract and engage potential customers at a stage in the compan...