With well over 225 million active members, the social networking service for those working in professional roles has enjoyed euphoric success since launching in 2003. As Facebook and other social media platforms grew larger and larger, many commentators predicted the end was in sight for LinkedIn, but with an innovative, provocative, and highly skilled team of developers and programmers, the site has gone from strength to strength. Unlike many competitors, LinkedIn’s IPO hasn’t slowed down growth, as the list of features on the site has increased significantly. The sturdy business model is built around subscriptions, marketing, and recruitment interfaces.

linkedin is visited by more than 50 million unique users each week, viewing 2.6 billion pages each month; 1% of users are responsible for 26% of the traffic; the network is growing by two members per second