Social networking isn’t a numbers game, so it's not about being active on a "magic number" of social media sites. It's more important to be active on the right social channels. Those are the ones where your target audience is most active. With 2 billion users across a wide age range, Facebook is a must for most people. To choose other platforms, hire a social media marketing expert to research your market and find out where else your audience hangs out online.
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the retailer. The two forms of marketing are differentiated, however, in how they drive sales, where affiliate marketing relies purely on financial motivations, while referral marketing relies more on trust and personal relationships.