Who gets friended on Facebook? Real life friends, then friends of friends. What gets you unfriended? Being offensive, not being well known or trying to sell someone something.
These stats come from an NM Incite infographic looking at why we friend and unfriend on Facebook. The infographic also cover what social media is most used for in general: to maintain contact with family, to be entertained but also to read consumer feedback, learn about products and get coupons and promotions: