“I've advocated for Celltel countless times in my Close friend circles. Now I hear this! I feel Celltel has let me down. I'm finished” Preliminary Investigation: Carry out First investigation to find out if related troubles have happened Formerly And exactly how they have been resolved. This may provide insights https://case-study-help64421.livebloggs.com/37792152/the-smart-trick-of-hbr-case-study-solution-that-no-one-is-discussing