Long hours spent on your Xbox, Iphone4, I pad etc can lead to feeling like you are unable to connect with your friends. Not knowing how to communicate with people can then lead to you feeling excluded and detached from social networks.
I heard of a kid that now feels more confident chatting through his online game than in person. What John.C.Maxwell offers in Winning with People is easy techniques to build up confidence in talking and making friends with people.
If you are wanting to get more confident with connecting with people check out the book, also over at Amazon.