IT Textbook vol.2

Almost all IT guys don't seem that project plans would be important for the product. However, it means that allmost all IT guys couldn't understand managing their firm and their client's business. I suppose that the time when IT indutory must deliver on time comes. The IT companies which  has the ability to estimate and develop high quality products could survive in the future as the history of other industories if there would not be any epok-makings that every companies can develop on time.