With the absolutely overwhelming boom of various forms of social media it has often been said that we now know our friends more than ever. You know how they feel when they wake up, who they went out with on the weekend (and who they got particularly close to…), and the various interests and associates that you may never have otherwise realised you had in common. But there is an elephant in the room here, and that is that we are all crafting our digital identities (to a greater or lesser extent) to portray the us that we want people to see.