$1.$ Read the paper How the management has failed at RIM by Joe Castaldo $($Jan $19,2012)$ and answer$-$ What has been RIM's strategy? How does its strategy respond to $($or fail to respond to$)$ the challenges and opportunities in its external environment?$-$ Prior to the competitors' efforts to match RIM,how big was RIM's competitive advantage?$2.$ Analyze the market commonality and resource similarity of RIM with its largest competitors $($Apple and Samsung$).$ Is RIM a first, second or late mover? Why? Was RIM's competitive dynamic according to its fast$-$cycle market?