this is actually a simple theory, people take business courses must have heard this theory usually
and it is not a strategy anyways, it is just a normal phenomenon because, in overall, there's no firm has all best selling products, so usually the best selling line(s) generates the main portion of the revenue
so, i dont think this is something important people should dig deep in作者: akurain 時間: 2009-9-8 11:21 PM
