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Morning, team. 🕶️
OpenAI introduced Sponsored Agents into ChatGPT,brands that answer you inside the conversation, no banners required. At 100 million+ users and an $80B valuation, one move could erase 20-30% of legacy ad budgets in 18 months. Also: Fluxnium raised $7M to harvest uranium from the ocean.
In today's newsletter, we'll get into:
Burnout isn't a sale trigger yet
Fortell's $163M bet on AI hearing aids
Cloudflare blocks AI training at scale
Fluxnium farms uranium from seawater
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The founder’s dashboard / Your quick roadmap
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FOUNDER BOARD
🔓 Incumbents win by keeping hostages, not customers. Use renewals to bribe the switch.
🧯 Burnout isn't a sale trigger. Carve 90 days to delegate and hire support to restructure the job first this quarter.
🧭 90-day trust beats quick fixes, make 1:1s safe
🧠 Hard truths replace millionaire tips, shifting founders from hacks to honesty. rebuild trust with candor
Startup Investor Finder
Slidebean’s Investor Finder helps startups find and track the right investors faster. Filter by stage, industry, and location, organize outreach, and manage your fundraising pipeline in one streamlined workspace.
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RUSHIN' ROULETTE
Six bullets of updates
👂 AI hearing-aid startup Fortell raises $163M to challenge a global hearing-aid monopoly. The round from Founders Fund, Thrive Capital, and Valor Equity shows investors are willing to back AI-powered hardware to crack regulated medical-device oligopolies, signaling room for consumer-grade experiences in categories long dominated by slow, clinic-centric incumbents.
🤖 Developer-tools startup Zed is launching its Delta platform to replace GitHub-style pull requests for AI coding agents. This signals a shift in software collaboration toward agent-driven workflows, pushing founders to assume bots will submit most changes while humans handle review, governance, and rollout.
🤖 Cloudflare is launching a 'Disallow AI Training' setting for millions of sites on its network, keeping pages indexable for search engines while blocking AI companies from using that content to train models. It normalizes fine-grained content controls as publishers seek to block AI training without sacrificing organic discovery.
⚡ Surging energy costs are forcing global manufacturers and retailers to choose between immediate price hikes and shrinking profit margins. Those split strategies, alongside an upcoming Federal Reserve meeting, make rising energy costs a live test of pricing power and demand elasticity, clarifying whether companies protect margins now or prioritize volume and customer goodwill.
🛡️ Google is warning Pixel phone owners after detecting active zero-day modem exploits against its devices. The disclosure confirms attackers are already compromising some handsets, making timely OS and firmware patching non-negotiable for teams managing employee phone fleets and highlighting baseband-level vulnerabilities as a critical blind spot in mobile security.
💀 Cap table software startup Pulley is shutting down on December 8, 2026 after raising over $50 million from backers including General Catalyst, Stripe, and Founders Fund. The shutdown gives rival Carta an exclusive migration pipeline and forces Pulley's startup customers to rapidly move their equity records, underscoring how concentrated core financial-infrastructure SaaS has become.
If you had $163M, monopoly fight or niche?
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SPONSOR
Is Your Training Data Actually Model-Ready?
If you're fine-tuning a speech model, you've probably hit this wall: DNSMOS gives you a score, but it doesn't tell you whether the data behind that score is actually right for your model.
Treat it as a pass/fail gate and you'll end up training on audio that looks clean on paper but drags down real-world performance—while good source data gets tossed for no reason.
Voices' CTO DJ Jalali (with the team's senior audio and voice data engineers) just published a free white paper that breaks down the four-step calibration framework they use internally to set model-specific quality thresholds instead of trusting the raw DNSMOS number. It also covers where DNSMOS breaks down and how Voices validates audio for custom datasets at scale.
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STARTUP NEWS
Fluxnium wants to mine uranium like it’s seaweed

Photo by Karen Chew on Unsplash
Fluxnium just quietly closed a $7M seed round, and the pitch is honestly wild: they want to farm uranium out of the ocean.
Wait, uranium from seawater?
Here's the thing. The ocean holds about 4 billion metric tons of dissolved uranium, roughly 1,000 times more than every hard rock mine on Earth combined. Enough nuclear fuel for 50,000 years. It's just been sitting there, too diluted to grab. Until now.
Fluxnium licensed polymer fibers from the U.S. Department of Energy, straps them to ocean buoys for 30 to 60 days, then reels in the captured uranium. National labs demoed this at over $200 per pound. Fluxnium is pushing costs under $100 per pound, competitive with Western suppliers.
Why this matters for you: today, two-thirds to three-quarters of global uranium comes from Kazakhstan, Russia, Niger, and friends. Not exactly a stable supply chain when the U.S. plans to triple nuclear capacity by 2050 to feed hungry AI data centers.
Founder Jeff Green is a repeat operator (stamps.com, NanoH2O, 1PointFive), and the cap table tells the real story: Congruent Ventures led, but Constellation Energy, the biggest U.S. nuclear fleet operator, wrote a check too. When your customer invests, that's a signal.
The takeaway: if your business runs on any scarce, geopolitically fragile input, watch this model. Fuel scarcity was the excuse. The ocean just deleted it.
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STARTUP TV
How to Get Startup Funding: What Convinces An Investor?
Between 75% and 90% of startups fail. But the game isn’t about profits or dividends—it’s about that rare 1-in-1,000 company that grows into a unicorn
In this video, we break down:
Why “profits” scare off VCs.
The math behind dilution and exits.
How early investors turn $1M into $60M—if they bet on the right team.
Forget small returns: this is about moonshots, risk, and why startup investing feels like a bubble… but also makes billionaires.
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BIG TECH NEWS
OpenAI turns ChatGPT into an ad agency with feelings
Remember when ads just interrupted you?
So the ad was always the villain: the pop-up, the pre-roll, the thing you skipped. OpenAI just rewrote the script. Meet the Sponsored Agent, a brand that talks back inside your ChatGPT chat, no banner required.
Here's the wild part. Two years ago this was a research preview. Nine months ago it monetized through subscriptions. Now, riding a rumored $80B+ valuation and 100 million+ active users, it's reimagining advertising with AI. Years of ad-tech evolution, compressed into one pivot.
Meanwhile, on the incumbent layer… Google and Meta are stuck fighting ad-blockers, privacy rules, and brutal acquisition costs. Defense, not reinvention.
But the sneaky ripple lands on performance agencies. When the agent handles discovery, qualification, and conversion, funnel metrics stop mattering. Legacy ad spend could shrink 20-30% in 18 months.
So what should founders actually do?
Two moves. First, engineer for agent-driven discovery: structured data, clear use cases, problem-solution pairs an AI can repeat back to a user. Second, integrate into the conversation itself: clean API endpoints that complete a task, not just redirect to your landing page.
Still skeptical? Fair. The proof arrives at the next developer showcase, when brand partners reveal real integrations and real numbers. Until then, one truth stands. The ad stopped interrupting the conversation. Now it is the conversation.
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STARTUP EVENTS
Startup Events and Deadlines
EF Bridge Residency SF | Sep 21 | Apply
Antler UK| Sep 22 | Apply
How to Find your Startup Valuation | Sep 24 | Webinar
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