• InMobi (InMobi Pte. Ltd):
  http://www.inmobi.com/privacy-policy/
• PubMatic (PubMatic, Inc.):
  http://www.pubmatic.com/privacy-policy.php
• Facebook Audience Network (Facebook Inc.):
  https://www.facebook.com/about/privacy/
• AppsFlyer (AppsFlyer Ltd.):
  https://www.appsflyer.com/privacy-policy/
• AdMob (Google Inc.):
  https://www.google.com/policies/privacy/
• MoPub (Twitter Inc.):
  http://www.mopub.com/legal/privacy/
• Liftoff (LIFTOFF, INC):
  https://liftoff.io/ja/privacy-policy/
• Smaato (Smaato, Inc.):
  https://www.smaato.com/privacy/
• Rubicon Project (Magnite, Inc.):
  https://rubiconproject.com/rubicon-project-advertising-technology-privacy-policy/
• OpenX（OpenX Limited）
  https://www.openx.com/legal/ad-exchange-privacy-policy/
• Index Exchange (Index Exchange Inc.)
  https://www.indexexchange.com/privacy