Facebook certainly have the largest percentage of members in the social media world – but a recent ROI survey has concluded that 59% of their respondents ranked LinkedIn as the most important networking site they were a member of. LinkedIn has become the number one professional networking platform. It offers many of the more successful features of Facebook, with the added bonus of actually helping people to find work, promote themselves professionally and to communicate with new people who may be of help or interest to them. While there are other sites with a similar purpose, the sheer size