Because not all of them read Agile Estimating and Planning[1] [1] http://www.mountaingoatsoftware.com/books/1-agile-estimating-and-planning http://www.mountain

Because not all of them read Agile Estimating and Planning[1] [1] http://www.mountaingoatsoftware.com/books/1-agile-estimating-and-planning http://www.mountaingoatsoftware.com/books/1-agile-estimating...