The reliance on external sources for new products could be another problematic area.As any scientist will attest,decisions to purchase a new product idea often tend to be extremely hard to make.The process of picking winner from other lads is likely to be both difficult and expensive.P&G already missed a big opportunity by passing up the chance to buy water-soluble strips that contain mouthwash. Listerine managed to grab the product and has profited handsomely from the deal.