LinkedIn is a multi-dimensional entity full of exciting possibilities, valuable new information, career advice, job postings and thinly disguised want ads. For those who have been members for more than 20 minutes, we all hold out hope that buried in the activity is something that we really can use. At least once a week I see something new to me (or a different twist on a familiar topic) and realize that I wouldn’t have thought about the subject that way, and that’s good. Of c