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The Changelog

What is a tech bubble anyway? (News)

8 min episode · 2 min read
·
Bill Beutler,Lars Wikman

Episode

8 min

Read time

2 min

Topics

Investing, Artificial Intelligence, Software Development

AI-Generated Summary

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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Episode Transcript

What up, nerds? Sheboy. I'm Jared, and this is Change Log News for the week of Monday, 11/24/2025. Turns out gen z has a weaker top password choice than every older generation except the 80 crowd. Don't get cocky, boomers, gen xers, and millennials. It's pretty rocky for us too. According to a new report, the most commonly leaked Gen Z password is 12345. While the most commonly leaked password for the other age groups is 123456. This proves that you can be a winner and a loser at the same time. Okay. Let's get into this week's news. What is a tech bubble anyway? Cedric Chin says, comparisons of our current AI maybe bubble to the .com bubble and the two thousand eight GFC are limiting. Quote, first, the two thousand eight crisis wasn't a technology bubble. Second, the .com bubble was idiosyncratic for a number of reasons. The biggest one being that going public has since become an order of magnitude more difficult. It shouldn't come as a surprise that the hottest AI companies today are all private companies. Unavailable to the retail investor, that's different enough from 1999 that it should, I think, give you pause, end quote. Sedrick also believes that calling this a bubble or not doesn't really matter. What really matters is what should I do? And that, of course, depends on who you are and what you are trying to accomplish. But leaving these objective aside, I'm linking up Sedrick's post because he provides five bullet points that lay out a pattern that we can use to see what might come next. Unfortunately, each bullet point is too long to read here and not long enough to summarize in a useful way. So I'm not going to save you a click on this one. Find that link in the newsletter. The CloudFlare outage unwrapped. File this one under stories you most likely already know all about, but I'm telling you about anyways. CloudFlare CEO, Matthew Prince, posted an excellently transparent post mortem of their significant failures to deliver core network traffic last week, which brought much of the Internet to its knees and took our AI agents with it. The details are fascinating. Murphy's law was in full effect that day, quote, throwing us off and making us believe this might have been an attack was another apparent symptom we observed. Cloudflare's status page went down. The status page is hosted completely off Cloudflare's infrastructure with no dependencies on Cloudflare. While it turned out to be a coincidence, it led some of the team diagnosing the issue to believe that an attacker might be targeting both of our systems as well as our status page, end quote. The smoking gun at the end of this murder mystery was a single line of rust code which executes a single method, unwrap. It just so happens that unwrap, which assumes an operation succeeded and extracts data from its inner value, is considered by many Rust …

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Tools

  • 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.
  • SPONSORS [Namespace, https://namespace.so]

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