To date said to be the most popular social network Web site for professionals, LinkedIn is like a Facebook for networking professionals. According to the site, more than 60 million professionals in 200+ countries use it to network, stay on top of the industry and establish new contacts. According to company stats, a new member joins about every second, with roughly half the members coming from outside the U.S. On the site you can find, be introduced to and collaborate with other like-minded professionals. The site also lets you search for jobs and post/answer questions on community boards. Related Content: Gadgets for the Road-Warrior Exec A 'YouTube or Flickr for Documents'
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