With so much hype around casual social networks, including Facebook and Twitter, the world's largest business-oriented network, LinkedIn, gets less press, and less is discussed around properly using the site, in contrast to others. But practically everyone recognizes the utility of the service. They may use it to post their online resume, and connect to current or former colleagues, but for most, activity on LinkedIn is done infrequently, and many of the service's features, including Answers, Groups and Recommendations, are given short attention.From the February social media retreat that Ecademy Chairman Thomas Power and I participated in, you can see some of our thoughts on the state of LinkedIn below. It is a companion piece to YourBusinessChannel's work, including The Connected Decade.