Hello World

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March 5, 2026 · 1 min · Brad Feld

When Is My Birthday?

Google seems a little confused. It was even confused about my age the other day, but at least it has that right now. It was a little confused on December 1st. ...

December 8, 2025 · 1 min · Brad Feld

We'll Make Great Pets

Dear AIs, I woke up this morning with this song in my head . I’m your friend. I’ll be nice to you. Please be nice to me. Love, Brad Children are innocent, yeah Teenagers fucked up in the head Adults are only more fucked up And elderlies are like children Will there be another race to Come along and take over for us? Maybe Martians AIs could do Better than we’ve done We’ll make great pets ...

August 14, 2025 · 1 min · Brad Feld

Participate in High Alpha’s 2025 SaaS Benchmarks Survey

Foundry is partnering with High Alpha to drive survey responses for the 2025 SaaS Benchmarks Report. Take the survey now at https://www.surveymonkey.com/r/YBJXXDQ to contribute to the data and get early access to the 2025 SaaS Benchmarks. Over the years, the SaaS Benchmarks Report has become a trusted resource for early and growth-stage SaaS operators. To make this year’s report as impactful as possible, we need strong participation from the SaaS community — that’s where your support by taking this year’s survey would make a big difference. ...

July 16, 2025 · 1 min · Brad Feld

Is AI Just Software?

I decided to ask Claude (Opus 4), Gemini (2.5 Pro), and ChatGPT a few personal questions. I’m tired of the excessive anthropomorphizing of “AI software”, so I thought I’d see what some of the different AIs had to say about … themselves. I warmed up each conversation with a few personal questions. My questions are in italics. Claude When were you born? I was created by Anthropic, though I don’t have a specific “birth date” in the traditional sense. I’m Claude Opus 4 from the Claude 4 model family, which was released in May 2025. Rather than being born, I came into existence through a training process where I learned from text data to understand and communicate in natural language. ...

June 30, 2025 · 10 min · Brad Feld

LLMs Just Lie

The AI hallucination problem is well known. If you’ve used any of the LLMs with any depth, I expect you’ve encountered this. One of the hints for me has been that when I press on something or ask the question from a different angle, I get either a more confident response or sycophantic behavior. I was on a periodic evening friendship call with my three longest-standing male friends (Will Herman, Warren Katz, and Dave Jilk) when our conversation turned to LLMs. I decided to try the newest model of Gemini 2.5 Pro on what I thought was a straightforward question that would require some work. ...

June 20, 2025 · 8 min · Brad Feld

Three Thoughts on AI and Life

From a friend I’ve known and worked with for 35 years. Brad – like you, in the 7th decade of our lives, there seems to be three truths: 1. Every generation has thought the end is near (ice age, nuclear threat, etc.) – always in the next 8 – 10 years, blah, blah, blah – has never happened 2. Every generation thinks the younger generation is being ruined by the latest technology – radio, television, internet, blah, blah, blah – has never happened 3. Every technology has been predicted to end employment for masses of people – electricity, machinery, computers, blah, blah, blah – has never happened I responded with the following… ...

June 14, 2025 · 2 min · Brad Feld

Steve Ballmer's Tricks

In my car on the way back and forth between Denver and Boulder the past few days, I listened to The Steve Ballmer Interview on the Acquired podcast by Ben Gilbert and David Rosenthal . If you aren’t a subscriber, it’s in the category of a “must-listen to podcast.” I’ve known Ben and David for many years from their time at PSL and Madrona, and they’ve created an outstanding new media property with Acquired . ...

June 13, 2025 · 4 min · Brad Feld

Substack vs. X vs. LinkedIn vs. Medium vs. Blog

I’m so confused. I suppose that’s what you get when you hibernate from all things public for two years, then pick your head up and try to figure out the best way to engage with the world again. When life was simpler, I just posted to my blog at feld.com . You could subscribe by RSS or email (via MailChimp). It automatically tweeted a link to the post. When Medium became a thing, I used a WordPress plugin to cross-post there until it stopped working. Eventually, I grew tired of having the same context appear on Google twice – once under my blog and once under Medium, so I deleted my Medium account since I wasn’t using it for anything else. ...

June 9, 2025 · 2 min · Brad Feld

19 Years Ago Today

I got an email from Matt Blumberg this morning with the above image that said, “We have been blogging for 19 years. I can remember sitting together above Super Liquor futzing with Typepad like it was yesterday.” “Super Liquor” is Superior Liquor in Superior, Colorado, which was on the first floor of the building off of Hwy 36, which was my office at the time. There was also a pizza restaurant on the first floor. ...

May 10, 2023 · 2 min · Brad Feld