There are a lot of things to like about this app. That’s why over 1 Billion users in over 180 countries have signed up. On the WhatsApp website, they explain their main selling point this way, “With WhatsApp, you get fast, simple, secure messaging and calling for free, available on phones all over the world.” Marketers have seen this community of 1 Billion members as a potential marketplace for almost any niche you can think of. In the years since Facebook took over WhatsApp in 2014, marketers have searched for ways to take advantage of its unique features. If you are among them,... [...]