Top 20 questions about Campfire

1. Are there sound effects in Campfire?
2. Guest Access
3. How can I get someone's attention in a crowded chat room?
4. Can we lock rooms, have confidential chats, and/or prevent users from accessing certain rooms in Campfire?
5. Can I setup a conference call using Campfire?
6. How much does Campfire cost? Can I use it for free?
7. Are our chats private?
8. What are simultaneous chatters?
9. Can we install Campfire on our own server?
10. How do I delete a file?
11. Does Campfire have an API?
12. Is 37signals able to read our chats? What is your privacy policy?
13. How does Campfire keep our chats secure?
14. How do I cancel my account?
15. My company's network has a firewall blocking Campfire. What are the IP addresses need to be whitelisted?
16. What web browsers are compatible with Campfire?
17. Why are there only 3 files listed in the sidebar? Where did the other files go?
18. Is there an individual file size limit?
19. How do I upgrade or downgrade?
20. How do I update or change our credit card?