http://www.computerworld.com/s/article/9244015/Microsoft_abandons_employee_ranking_system
and http://www.computerworld.com/s/article/9244034/Microsoft_No_we_re_not_ditching_on_premise_Exchange
http://www.computerworld.com/s/article/9244015/Microsoft_abandons_employee_ranking_system
and http://www.computerworld.com/s/article/9244034/Microsoft_No_we_re_not_ditching_on_premise_Exchange