Digital Advertising: History and Techniques

Sep 18, 2024

Lecture Notes: Advertising Techniques in the Digital Age

Introduction to Window Shopping Analogy

  • Concept of window shopping explained
  • Items following you as a metaphor for online advertising
  • Transition from traditional to online advertising

History of Advertising

Traditional Advertising

  • Limited tracking capabilities
    • Advertisers couldn't see specific shopping habits
    • Ads were contextual: placed in expected places for broad audiences
  • Examples of traditional ad placements:
    • Commercials during popular TV shows
    • Billboards on highways
    • Magazine ads
  • Advertisers relied on broad demographic targeting
    • Groups included teenagers, families, specific ethnicities
  • Need for mass appeal products because of broad targeting

The Rise of the Internet

  • Early internet ads similar to print/TV ads
  • Introduction of display ads and pop-ups
  • Innovation of ads as clickable links
    • Direct connection to products
  • Emergence of cookies
    • Cookies track online behavior and shopping habits
    • Enable advertisers to gather detailed data on users

Addressable Advertising

  • Shift to targeted advertising
    • Can target specific demographics with precision
    • Examples of targeting:
      • 18-24 year old women interested in science in Brazil
      • 34-45 year old men who like soccer in Canada
  • Discussion on the effectiveness of targeted ads on platforms like YouTube

Privacy Concerns

Terms and Conditions

  • Users often skip reading terms of service
  • Implications of accepting terms:
    • Potential rights and privacy waivers
  • Example of Instagram's terms regarding user content

Data Collection

  • Companies collect data for personalized ads
  • Potential for misuse of personal information

Recommendation Systems

  • Algorithms providing tailored suggestions
  • Concern over limiting user options

Types of Advertising

Sponsored Content

  • Blending of ads with editorial content
  • Importance of identifying sponsored posts and content

The "Free" Product

  • When something is free, the user is often the product
  • Awareness of personal data being tracked and sold

Recommendations for Online Safety

  • Review online profiles and personal information given
  • Limit data sharing, like geolocation and microphone access
  • Consider creating dummy accounts for less important services
  • Acknowledge the permanence of online data

Conclusion

  • The internet has changed advertising drastically
  • Importance of being vigilant about personal information online
  • Upcoming discussions on policies regulating big tech companies

Additional Resources

  • Encouragement to support Crash Course on Patreon
  • Mention of associated channels for further learning
  • Thanks to patrons for supporting the series.