Although E-mail investigation service although the register of various E-mail addresses such as address and position of the person, the investigation engine, the university university is found with that name the people of the thing which finds the E-mail address which is used are helped, this method is used. In addition as for this time as for the product whose plural is soft therefore in order to obtain address from Internet it is introduced, the people help the fact that work is designated more as the simple .