IABがAudience Reach Measurement Guidelines（公開意見募集中）を発表

12/8のIABのリリースから。
http://www.iab.net/about_the_iab/recent_press_releases/press_release_archive/press_release/597219
http://www.iab.net/iab_products_and_industry_services/508676/508722/audiencemeasurement
http://www.iab.net/media/file/Audience_Reach_Guidelines.pdf

目次は以下の通り。ユニーク・クッキー、ブラウザ、デバイス、ユーザの4種類を定義している。ややこしい世界になってきた。こちらもいづれ逐次翻訳したい。

1. Audience Reach Measurement Definitions
1.1. Origination of Audience Activity
1.2. Definitions of Audience Reach Measurements
1.2.1. Unique Cookies
1.2.2. Unique Browsers
1.2.3. Unique Devices
1.2.4. Unique Users
1.3. Supplemental Definitions
1.3.1. Visits
1.3.2. Time Spent
1.4. Other Definitions
2. Technical Specifications
2.1. Unique Cookies
2.2. Unique Browsers
2.3. Unique Devices
2.4. Unique Users
3. Other Measurement Controls
4. Filtration Procedures
4.1. Filtration of General Audience Activity
5. Panel-Based Syndicated Audience Measurement Procedures
6. Auditing Guidelines
6.1. General Auditing
6.2. US Certification

7. General Reporting Parameters

8. Description of Methodology

9. Visit and Time Spent Measurement Examples

10.Appendix A: Hierarchy of Audience Measurement Definitions