Measuring the Facebook Advertising Ecosystem€¦ · • 47.4% ages 22-30 vs 32.5% on Facebook •...
Transcript of Measuring the Facebook Advertising Ecosystem€¦ · • 47.4% ages 22-30 vs 32.5% on Facebook •...
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Measuring the Facebook Advertising Ecosystem
Athanasios Andreou, Márcio Silva, Fabrício Benevenuto, Oana Goga, Patrick Loiseau, Alan Mislove
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Advertising in Facebook
Facebook is the second biggest advertising platform:
More than the GDP of Iceland or Bahrain!
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Advertising in Facebook
Facebook is the second biggest advertising platform:
More than the GDP of Iceland or Bahrain!
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Millions advertisers and billions of users:
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Facebook ad platform issues constantly in the spotlight
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Facebook ad platform issues constantly in the spotlight
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Facebook ad platform issues constantly in the spotlight
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Facebook ad platform issues constantly in the spotlight
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Facebook ad platform issues constantly in the spotlight
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This talk
Who are the advertisers in Facebook?
How are they targeting users?
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Methodology
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AdAnalyst — A tool to help you make sense of your ads
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Methodology
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AdAnalyst — A tool to help you make sense of your ads
Chrome and Firefox extension
Collects Facebook ads and related data from real users
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Methodology
!6
AdAnalyst — A tool to help you make sense of your ads
Increase transparency for users:
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Methodology
!6
AdAnalyst — A tool to help you make sense of your ads
Increase transparency for users:
![Page 14: Measuring the Facebook Advertising Ecosystem€¦ · • 47.4% ages 22-30 vs 32.5% on Facebook • 71.1% with tertiary education vs 35.9% • 68.4% men vs 57% Our users are overall](https://reader034.fdocuments.net/reader034/viewer/2022051921/600dd98b68c76820be48b655/html5/thumbnails/14.jpg)
Methodology
!6
AdAnalyst — A tool to help you make sense of your ads
Increase transparency for users:
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Our Dataset
DATA-Worldwide:
• Disseminated across friends, colleagues, conferences etc
• 114 users / 89K ads / 22K advertisers
• 50 users from France, 16 from Germany, 16 from US
DATA-Brazil:
• Disseminated as part of a project to monitor the 2018 Brazilian presidential elections
• 508 users / 146K ads / 28K advertisers
• 495 users from Brazil!7
AdAnalyst — A tool to help you make sense of your ads
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Our users
Dissemination strategy introduces some biases
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Our users
Dissemination strategy introduces some biases
Younger educated men:
• 47.4% ages 22-30 vs 32.5% on Facebook
• 71.1% with tertiary education vs 35.9%
• 68.4% men vs 57%
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Our users
Dissemination strategy introduces some biases
Younger educated men:
• 47.4% ages 22-30 vs 32.5% on Facebook
• 71.1% with tertiary education vs 35.9%
• 68.4% men vs 57%
Our users are overall similar to the global Facebook population
• More likely to travel frequently and know people that are expats
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This talk
Who are the advertisers in Facebook?
How are they targeting users?
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Advertisers’ identity
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How popular are advertisers?
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Advertisers’ identity
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Popular:
Ordinary:
Niche:Face
book
Lik
es
How popular are advertisers?
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Advertisers’ identity
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Popular:
Ordinary:
Niche:Face
book
Lik
es
How trustworthy are advertisers?
How popular are advertisers?
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Advertisers’ identity
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Popular:
Ordinary:
Niche:Face
book
Lik
es
How trustworthy are advertisers?• advertisers can verify their account
• phone number or official document
• government issued photo id
How popular are advertisers?
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Advertisers’ identity
!10
Popular:
Ordinary:
Niche:Face
book
Lik
es
How trustworthy are advertisers?• advertisers can verify their account
• phone number or official document
• government issued photo id
• 64% of advertisers are not verified
Popular 66,9 % 6,1 %Ordinary 10,3 % 12,6 %Niche 0,2 % 6,4 %
How popular are advertisers?
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Advertisers’ categories
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Advertisers can self-report their categories
943 categories:
• Nonprofit Organization, Shopping & Retail
• Evangelical Church, Aquarium, Opera
We group them to 35 broader categories (IAB)
Sensitive Categories
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Advertisers’ categories
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Advertisers can self-report their categories
943 categories:
• Nonprofit Organization, Shopping & Retail
• Evangelical Church, Aquarium, Opera
We group them to 35 broader categories (IAB)
Sensitive Categories
1.Food and Drink: 9.3%2.Style & Fashion: 8.5%3.Technology and Computing: 8.4%4.Community Organization: 8.2%5.Shopping: 6.7%6.News and Politics: 5.5%7.Travel: 4.6%8.Education: 4.4%9.Healthy Living: 4.2%10.Home & Garden: 3.6%
• Business and finance: 2%• Medical Health: 1.2%• Legal: 0.2%• Religion and Spirituality: 0.1%
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This talk
Who are the advertisers in Facebook?
How are they targeting users?
!12
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Many strategies available for targeting
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Attribute-based
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Many strategies available for targeting
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Attribute-based
PII-based
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Many strategies available for targeting
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Attribute-based
PII-based
Lookalike audiences
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Many strategies available for targeting
!14
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Many strategies available for targeting
!14
Retargeting
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Many strategies available for targeting
!14
Location-based
Retargeting
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Many strategies available for targeting
!14
Location-based
Social Neighborhood
Retargeting
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How do we know how advertisers target users?
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How do we know how advertisers target users?
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How do we know how advertisers target users?
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How do we know how advertisers target users?
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Limitations of Facebook Explanations
Facebook ad explanations reveal information about the targeting
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Limitations of Facebook Explanations
Facebook ad explanations reveal information about the targeting
They have limitations:
• They show one attribute
• Demographics > Interests > PII-based > Behaviors
• Show the most prevalent attribute
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What targeting strategies do advertisers use?
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Attribute-based: 47% of adsAge/Gender/Location: 23%Lookalike Audiences: 18% Retargeting: 8%Social Neighborhood: 3%PII-based: 2%Location-based: 1%
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What targeting strategies do advertisers use?
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Attribute-based: 47% of adsAge/Gender/Location: 23%Lookalike Audiences: 18% Retargeting: 8%Social Neighborhood: 3%PII-based: 2%Location-based: 1%
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What targeting strategies do advertisers use?
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Attribute-based: 47% of adsAge/Gender/Location: 23%Lookalike Audiences: 18% Retargeting: 8%Social Neighborhood: 3%PII-based: 2%Location-based: 1%
74% of users PII-based, 92% Lookalike audiences
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What targeting strategies do advertisers use?
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Attribute-based: 47% of adsAge/Gender/Location: 23%Lookalike Audiences: 18% Retargeting: 8%Social Neighborhood: 3%PII-based: 2%Location-based: 1%
74% of users PII-based, 92% Lookalike audiences
Differences between North America and Europe:
• PII-based 6% vs 2%
• Lookalike audiences 30% vs 17%
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What attributes do advertisers use?
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2.5K attributes:
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What attributes do advertisers use?
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2.5K attributes:
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What attributes do advertisers use?
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• 38% of attributes appear only in one ad:
‣ Pokemon Yellow, Adobe After Effects, Modernism
2.5K attributes:
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What attributes do advertisers use?
Attributes not always aligned with nature of advertiser:
• Google: Hacker News, Digital Media, Masters degree
• Also Google: Women’s rights, US politics (very liberal), Politics and social issues
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• 38% of attributes appear only in one ad:
‣ Pokemon Yellow, Adobe After Effects, Modernism
2.5K attributes:
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What attributes do advertisers use?
Attributes not always aligned with nature of advertiser:
• Google: Hacker News, Digital Media, Masters degree
• Also Google: Women’s rights, US politics (very liberal), Politics and social issues
591 attributes used by News and politics advertisers:
• Anti-fascism, LGBT community
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• 38% of attributes appear only in one ad:
‣ Pokemon Yellow, Adobe After Effects, Modernism
2.5K attributes:
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Do advertisers change ads over attributes?
2.5K advertisers that have used more than one attributes
65% of them never used the same text with two different attributes
VICE news:
• PC Magazine: “A self-driving, flying taxi could soon be a reality”
• Democratic Party: “Mr. Trump and Mr. Cohen have a lot of explaining to do”
• US Politics (Very Liberal): “One of the reasons it’s hard for Trump to navigate the guns issue after Parkland is that the gun rights community itself is still trying to figure out what change is acceptable”
•
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Popular and verified advertisers mixed with niche and unverified
Advertisers that can be sensitive
They use strategies that can be considered invasive or opaque
The use a plethora of attributes that are difficult to monitor
They change the content of the ads w.r.t. attributes they use
Conclusion
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Popular and verified advertisers mixed with niche and unverified
Advertisers that can be sensitive
They use strategies that can be considered invasive or opaque
The use a plethora of attributes that are difficult to monitor
They change the content of the ads w.r.t. attributes they use
Conclusion
!20
Need for better mechanisms to audit ads and advertisers
Need for global approach towards transparency
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A tool to help you make sense of your Facebook ads
https://adanalyst.mpi-sws.org
Disable adblockers for Facebook and anti-tracking
Set your Facebook in English or French
AdAnalyst
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QUESTIONS
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Capturing Facebook Ads
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Capturing Facebook Ads
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Capturing Facebook Ads
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