Do you believe it is beneficial to have a LinkedIn profile Discussion, management homework help

Do you believe it is beneficial to have a LinkedIn profile if you are actively looking for employment? What if you are a passive candidate?
Will online recruitment eliminate the fairness (increase bias) in the hiring process or do you believe it may increase fairness? Explain.
Do you think it is possible to create a “like-me” bias utilizing the referral form of recruitment discussion in “Sometimes It’s Who You Know”?
Have you or someone that you know ever been hired for a job due to a referral? What did you think of the process?

http://www.slideshare.net/shrm/shrm-survey-findings-using-social-media-for-talent-acquisitionrecruitment-and-screening

Use articles as references in APA format.