Social media platforms are slowly but surely becoming the back bone for future SEO practices. The release of Penguin 2.0 has proved once again that social signals are essential to promoting an online brand and that only SEO techniques are not enough to grow your online presence. In addition to this, brands should be present wherever audiences invest their time, attention and money. In other words, social media is important for two main reasons: it can attract traffic to a site, and it has the potential to increase sales. But with so many social media platforms around, how will you know which of them to choose? Here are three excellent social mediums that you should definitely include in your online campaign.