A few days ago, @GustavS showed save-to-spotify: a @Spotify skill that lets agents turn calendar, news, and Slack updates into private podcasts. We loved the behavior and put a SUN-spin on it!☀️ And today we’re launching sun-to-spotify, an open-source Claude Code skill that turns a topic, prompt, or file into a ready-to-listen audio course you can save privately to Spotify. My life right now has three tabs open at all times: startup, marriage, infant son. Along with your usual other 67 tabs of research, meeting notes, studies, Slack updates, product docs, or the thing everyone is suddenly posting about. So, the point is the same: if it can become audio, it has a better chance of actually making it into your day. Especially if it shows up right next to your workout playlist and suspiciously specific late-night podcasts👀 SUN for your next era of audio learning. Now, SUN for your Spotify library too. Check out the demo 👇 and play around with the skill (link is in the comments). Tell us what you created!

Tonight, post-Startup Grind, I'm presenting at a small invite-only afterparty in Silicon Valley. I'll be talking about our a16z @speedrun experience - what it actually takes to get in, what caught us off guard, and what I'd tell founders thinking about applying. Founders, VCs, family offices. Curated, off the record, small by design. If you're raising, scaling, or building something real in AI, the people in that room are exactly who you want direct access to. Spots are limited → luma.com/m7rft5z4

The next a16z Speedrun cohort opened up last week. If you're applying - comment below. What are you building and what do you actually need right now? I did @speedrun with SUN this year. Moves fast, worth it. I'll go first: @sunapp_ai turns any topic into an audio course or podcast in seconds. For people who want to learn but have no time to read. What are you working on? Drop it in the chat! Let's get you visible.

Applying to @a16z @speedrun 007? If you want the exact pitch deck that got us in, comment "SUN" and dm. Otherwise, here's the overview: It’s ~0.3% acceptance. For every company that gets in, 300 are competing. Most people overthink the process. The truth is simpler. It’s all about signal. Your application is the first filter. High signal pitch, fewer slides, no fluff. Show team, traction, and why now immediately or you’re out. If you get the interview, don’t show up generic. Study the investors in the room. What have they backed? How do they think? Speak their language so they understand your product fast. Don’t lie. Not even a little. If you don’t know something, say it. Then show how you think and how fast you learn. And the part most people miss. Know who you are. If your team isn’t your strength yet, don’t oversell it. Lean into traction. Show speed, usage, momentum, social proof. If your team is strong, make that obvious in the first 10 seconds. Don’t bury your best card. Play your real advantage. And yes, if you’re applying to Speedrun 007, building agents is your best bet to get in...not really What gets you in is simple and hard at the same time: undeniable signal.

Introducing SUN to the world! ☀️Fueled by @speedrun , welcome to the next era of audio!

I spoke with @andrewchen at @a16z @speedrun Alumni Demo Day. The pitch is now 90 seconds. It used to be 2 minutes. He explained the change is not to rush you, but to force clarity. When time shrinks, only what matters survives. Clarity has been the word of the month for me. @wenyanhh and I have spent long days asking one question: What is the soul of SUN? Finding the answer was painful. But now we have it. 10 days before Demo Day. We’re ready. Comment "SUN" for early access.

The Startup Show Episode 2: Fundraising Pitch is here. I learned a lot about pitching during my time at @a16z @speedrun. This episode brings it all together. Two parts: first, the pitch. Second, investor meetings. Comment “SUN” for early access.

Today, we’re opening @sunapp_ai to the public. We’ve been building this not so quietly during @a16z @speedrun. Audio used to be something you search for. Now, you generate it. Podcasts. Audiobooks. Courses. Any topic. Any length. Ask questions as you listen. And if you don’t know what to generate, SUN knows what to play. This is a new era of audio. Download it and experience the magic! Link below 👇

Some ideas are too good for the bookmarks graveyard.