Predicting change is hard. And implementing change at scale is harder. Look at the cautionary tales from the last shift: companies like RIM; it went from market leadership to irrelevancy in three years. Now, I predict that this wave of change will happen much faster than people generally expect, driving sweeping changes in the vendor landscape, the VAR landscape, and the IT practitioner landscape. Smart organizations will embrace this change to their advantage, others will be left behind..