Please excuse the aggressive title, but if you are a professional there are many reasons why you at least need to have a presence on LinkedIn and should utilize the platform as your primary social networking tool.
First some background on myself. Like most of you, I received an invite from someone that I don't even remember now, but I signed up on a day in 2004 and really didn't do anything with the site except for accepting invites from people that I knew who invited me. That all…
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