I joined LinkedIn in mid 2010, alongside roughly 70 million other users. Since then, LinkedIn has grown from strength to strength and now boasts over 250 million users. This post would seem almost irrelevant save for the fact that I know plenty of friends and colleagues that aren’t signed up. In my opinion, there is very little risk compared to reward, when weighing up whether to invest some time to set up an account. Here’s how LinkedIn has helped me.