Unit 1: New Things
Unit 2: Issues
Review 1: Units 1–2
Unit 3: Stories
Unit 4: Downtime
Review 2: Units 3–4
Unit 5: Ideas
Unit 6: Age
Review 3: Units 5–6
Unit 7: Media
Unit 8: Behavior
Review 4: Units 7–8
Unit 9: Trouble
Unit 10: Culture
Review 5: Units 9–10