Managerial self service portal

Why would it be important for a company to have an employee and managerial self service portal? How do these portals benefit an organization? What are the ROI and cost considerations when considering one of these platforms? What are some of the best practices in implementing self-service applications and what are also some of the common errors? Would you recommend one of these platforms at a current or previous employer? Why? Explain your answer by using material from our reading assignment this week. Lastly, go to the APUS on-line Library and find an article from HR Magazine that relates to self service portals. What did the article say and how does it relate to our learning objectives this week? Post a link to the article in your response.