| Answer | Crossword Clue |
|---|---|
| USENET | Online discussion system |
| USENET | System of online discussion groups |
| CHAT | Online discussion |
| FORUM | Online discussion site |
| USENET | Online discussion forum |
| USENET | Online discussion groups |
| USENET | Online discussion group |
| CHATROOM | Online discussion site |
| USENET | Online discussion venue |
| USENET | Early online discussion setting |
| USENET | Group of online discussion groups |
| USENET | Collection of online discussion groups |
