21. Ads in Search Results
How search engines balance user experience with monetization through advertising.
Overview
Search advertising is a multi-billion dollar industry. Google makes 80%+ of its revenue from search ads. But poorly implemented ads destroy user trust. This section explores how to balance relevance with revenue.
Key Topics
- Ad formats (text, shopping, video)
- Sponsored vs organic results
- Ad ranking algorithms
- Metrics: CTR, CPC, Quality Score
- User trust and transparency