Chapter 1 in The Filter Bubble

1. Information overload

1.1. Seeking relevance

1.1.1. Amazon.com

1.1.1.1. Books

1.1.1.2. Collaborative filtering

1.1.2. Google

1.1.2.1. Websites

1.1.2.2. PageRank

1.1.3. Facebook

1.1.3.1. Profiles and pages

1.1.3.2. EdgeRank

1.2. Data market

1.2.1. Axciom

1.2.2. BlueKai