Related Clues:
- Relatively common letters
- Spots on the air
- They may pop up while you browse
- Nuisance e-mails
- They can be personal
- Web-site pop-ups
- Billboards, e.g.
- Some teasers
- Sun spots in Baltimore?
- Word with want or personal
- Incoming clutter
- Show interrupters
- Most junk mail
- Bane of cyberspace
- Money's money source