TED: The Internet could crash. We need a Plan B | Danny Hillis

What was the nature of the community in the early days of the Internet according to the text?

How did the speaker describe the process of registering a domain name in the early days?

What principle did the early Internet community operate on regarding resource usage?

What vulnerabilities does the speaker mention regarding the Internet's protocols?

How did the speaker illustrate the fragility of the Internet with examples?

What does the speaker suggest is lacking in terms of Internet security?

What is the speaker's view on the current understanding of the Internet's operation?

How does the speaker relate the Internet's development to the financial system?

What concerns does the speaker raise about the future of the Internet?

What does the speaker mean by 'Plan B' in the context of Internet infrastructure?