Many of my colleagues and friends have been pulled into LinkedIn through the invite friends feature.
I always chuckle when someone comes to me and says, "I got a invitation to join this online thing in my email box." Then, I generally launch into the basics of LinkedIn and the value it has as a resume, career builder and networking tool.
Here is an excellent presentation by Guy Kawasaki on the value of LinkedIn which appeared as Slideshare.net's October 30, 2008 SlideShow of the Day:
LinkedIn has released several new features to make it's service more useful to the many users who found themselves "linked-in" through connections with our colleagues. I'm not going to duplicate the efforts of other bloggers to highlight these features - here is a short list of posts highlighting LinkedIn's new applications:
Social Media: Social Network Analysis. Internet based communities have been widely discussed since the arrival of the concept Web 2.0. So far, the opportunities and risks of business models based on such user groups are not fully clear. Therefore a more fundamental understanding of community-based social structures is needed. First results for two top forums and once collaboration network. Fred Türling (SHS Viveon AG)