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