Related Clues:
- Infomercials, for instance
- They follow theme songs, often
- Online revenue generators
- They play during bathroom breaks?
- Might take these out to get the word out about show
- The 4-Down has millions of them
- Source of most of Google's revenue
- Halftime spots
- Coupon locales
- They're taken out in newspapers
- Supplemental work for actors
- Free app annoyances
- Subject of click-through rate tracking
- Handbill material
- Bookmarked things