And new friends update must appeal to try to identify the customer, and competitor's disadvantage, as much as possible. When we know your competitors will make us able to produce items that are better than the competitors.
And to update new friend attract customers. Try and find a downside to most of its competitors. When we know the weaknesses of competitors, we can produce a better competitor.
To update new products to attract customers. And try to find the disadvantages of competitors as possible. When we know the weak point of the competition will make us can produce better than competitors.