What is a tech bubble anyway? (News)

November 24, 2025

8 min episode · 2 min read

Bill Beutler,Lars Wikman

Episode

8 min

Read time

2 min

AI-Generated Summary

Published Dec 25, 2025

Key Takeaways

✓Tech bubble analysis: Current AI bubble differs from dotcom era because hottest AI companies remain private and unavailable to retail investors, unlike 1999 when public markets drove speculation and losses.
✓Cloudflare incident: Single Rust unwrap method caused major Internet outage affecting core network traffic. The unwrap function is considered a foot gun that assumes operations succeed without proper error handling.
✓Log viewer performance: HL processes 2.3 gigabyte log files with 6 million lines in 1.1 seconds compared to alternatives taking 8.7 to 79 seconds, using optimized parsing for JSON and structured logs.

What It Covers

Changelog News covers AI bubble comparisons to past tech crashes, Cloudflare's major outage caused by Rust code, password security across generations, and new developer tools.

Key Questions Answered

•Tech bubble analysis: Current AI bubble differs from dotcom era because hottest AI companies remain private and unavailable to retail investors, unlike 1999 when public markets drove speculation and losses.
•Cloudflare incident: Single Rust unwrap method caused major Internet outage affecting core network traffic. The unwrap function is considered a foot gun that assumes operations succeed without proper error handling.
•Log viewer performance: HL processes 2.3 gigabyte log files with 6 million lines in 1.1 seconds compared to alternatives taking 8.7 to 79 seconds, using optimized parsing for JSON and structured logs.

Notable Moment

Gen Z's most leaked password is 12345 while older generations use 123456, proving minimal security improvement across age groups despite digital nativity assumptions about younger users.

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