Abstract
Recently, various internet businesses are expanded. Especially, the business form that combines the store sales and the net sales attracts attention. It is said that such a business form obtains the synergy effect, and it is called click-and-mortar. This research aims to extract features of the store sales and the net sales. Furthermore, based on a extracted features, we seek a marketing method in hope of synergy effect expansion of the click-and-mortar.
