Access information and device-specific IDs acquired by cookies and web beacons
In our service, we use technology which can ascertain the status of access from a user’s computer, such as “cookies” which check the user by sending a small data file from the server to the user's hard disk or memory or a “web beacon,” to obtain the activity history and statistics of the user's website and also the user's device-specific ID (including device information, device-specific ID, browser type and version, used language and IP address) etc.
Access information such as cookies and device-specific IDs used by us does not include any information that identifies individuals.
We mainly use access information such as cookies and device-specific IDs for the following purposes:
Customizing website content and page information
Efficient advertisement delivery to users
… When delivering advertisements by us or third-party companies, access information such as cookies is used to efficiently deliver advertisements such as behavioral targeting.
Web site traffic surveys such as user numbers
Google Analytics (Google Inc.)