Solutions Messages via the Internet has 4 entries with similar clues
- 6-letter words
- webcamIt sends visual images via the Internet
- 7-letter words
- podcastDistribute files via Internet to personal computers for playback
- 8-letter words
- go-viralTake off via the Internet
- 9-letter words
- postcardsThey are the cheapest way of sending messages through P&T