“Select a once rapidly growing company whose growth stalled. Then, contemplate the root cause for its decline and be prepared to share your reflections at the retreat.” This assignment was one of many I asked leaders of a rapidly growing, omni-channel apparel retailer to complete in preparation for our two-day strategy retreat.  (Omni-channel refers to the fact that people increasingly engage with companies across multiple channels, using each channel for different tasks.) The chosen once-celebrated examples of stalled growth included company names that used to fill articles on “best practices” to secure revenue growth. If nothing else the following names serve as a testimony to why leaders should never assume their existing business models will remain vibrant over the long haul. Kodak Too slow (or quarterly profit focused) to change from film to digitally-based business models Never fully immersed itself in digital photography…