At Dell, employees are encouraged to be active in social networking sites, so that if someone has an issue with a Dell product, the employee can help get that person the support he or she needs. Dell offers internal training on effective use of social networking and subsequently allows employees greater freedom to post (tweet, blog, whatever) on Dell's behalf depending on how much training the employee has completed. Watch for the hash tag I've included to spot someone that's gone through Dell social networking training.
At the same time, however, gmail and google docs (and other web-based productivity sites) are blocked on the Dell network.
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