Facebook is a site many of you should be familiar with. One of the most effective ways of selling products if you can make it work is to be active on Facebook. Sharing news, connecting with fans, throwing competitions and persuading your fans to share information is great for getting your product in front of the right eyes. This is generally more time consuming, you have to keep at it to see significant increases in sales but it can work if you put the time in.
Twitter is another popular social site you can use to increase sales and promote products. Once you have a number of followers, you have people who are interested in your brand or your products and you can promote any new products or information to this audience. If they like what they see then there is a good chance that they will then share the information you tweet with other followers. Similar to Facebook, Twitter requires a lot of time put in for it to have a significant effect on sales. You also have to be sure to avoid being too self promotional so as not to annoy your followers.