< about private policy about Google AdSense >

Advertisement service by Google AdSense is being used by our site.

* A third person delivery enterpriser including Google delivers advertisement based on the reading history at the user's website using Cookie.
* A partner of Google and Google can show advertisement based on
access information to our site and other sites to the user by using Google advertisement Cookie.
* The user can establish it (Later, even an op toe-out page of Network Advertising Initiative can invalidate use of Cookie of a third person delivery enterpriser.) so that Google advertisement Cookie isn't used by an op toe-out page of advertisement.