Social search and ads

Joseph Reagle

Today’s questions

  1. What is the history of web search and advertising?
  2. What does the future hold?

Directories

DMOZ & Yahoo

Ads

Ad commodities

impressions (CPM, cost per mille)
was it seen?
clicks/click-through rate (CTR)
was the ad clicked on?
conversion
did the user buy or complete a survey?

Google

AdWords
ads on search pages (second price auctions: highest bidder pays the price bid by 2nd-highest)
AdSense
ads on Web pages

Banners

Standard web banner ad sizes

Find me…??

Social

Social graph

Social graph

FB:Ads

FB:Platform (2007) & Open Graph (2010)

Allowing app developers access to the social graph.

Which led to…

Cambridge Analytica

FB:Spons. Stories (2011)

FB:SS Results

TBG Digital reported a 2 billion impression test showed FB:Sponsored Stories “ad units received a 46% higher click through rate, a 20% lower cost per click, and an 18% lower cost per fan than Facebook’s standard ad units.” (Constine 2011)

Back and forth

Eventually, both returned to their corners: Google dominates search & FB dominates social.

The future

Safari blocks 3rd-party cookies

Facebook’s “Pixel”

Google’s “FLoC”

  • problems
    • monopoly for Google/Chrome
    • could combine with browser finger-print for specific targeting
    • at sites where you log in, they then know your cohort (Cyphers 2021)

Evaluation and prediction

Conclusion

3-minute essay

Describe the major shifts in Web advertising.

Questions, insights, or connections?

Review

What were the major shifts in Web advertising?

  1. directories
  2. search
  3. social