Wednesday, August 12, 2026

Growth Newsletter #343

unoptimized marketing, onboarding friction, and AI search.  ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

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Grok Bot 🤖, Gemini 1B MAUs 📈, prop trading devs 👨‍💻

SpaceXAI's Grok Bot is designed to act like a team of AI agents capable of handling a wide range of professional work. The agent can sign into ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

TLDR

Together With Enterpret

TLDR 2026-08-12

AI-first isn't enough: a fireside with Marty Cagan & Enterpret (Sponsor)

Every leadership team has declared they're now AI-first. Few have truly changed their operating model.

Enterpret is hosting Marty Cagan, founder of the Silicon Valley Product Group (SVPG), and Jack Divita, Enterpret's Head of Customer Success, for a candid take on what real transformation takes when AI makes building cheap:

  • Where to start if you've "gone AI-first" and suspect nothing's actually changed.
  • How customer understanding becomes the true superpower when everyone can build at AI speed.
  • Why a product-only view of your users is a structural weakness.

Attend the live webinar on August 27th (Thursday)

📱

Big Tech & Startups

SpaceXAI Unveils Grok Bot to Work Like a Team of AI Agents (2 minute read)

SpaceXAI's Grok Bot is designed to act like a team of AI agents capable of handling a wide range of professional work. The agent can sign into various apps and websites, retain information from prior tasks, and share details and context with other agents. SpaceXAI has been using the product internally across its engineering, growth, and marketing teams. It has helped its sales team find new accounts and draft emails and aided its finance team by pulling receipts from emails.
Gemini becomes Google's fastest-growing product ever as it hits 1B users (5 minute read)

Gemini has reached 1 billion monthly active users (MAU). It is the fastest Google product to have managed that feat. Gemini is now in virtually every Google product and service and is core to Google's flagship search experience. The 1 billion MAU metric only refers to users who have opened the Gemini app or visited the Gemini web interface.
🚀

Science & Futuristic Technology

AI Is Finding Sperm Where Doctors Couldn't (2 minute read)

Scientists from Columbia have created a system that uses AI to locate difficult-to-find sperm. Men with extraordinarily low sperm counts often still have several hidden sperm present. Analyzing samples under a microscope with the human eye often misses these individual sperm cells. The Sperm Tracking and Recovery system may bring hope to the 10% of infertile men affected by azoospermia.
India's first private rocket reached orbit — from a company that existed before the law did (11 minute read)

Skyroot's Vikram-1 became the first privately built Indian rocket to reach orbit on July 18. It reached success on the first attempt and delivered a payload to about 450 km. India has no space statute, and its entire private space industry runs on executive policy. Skyroot is targeting roughly one rocket launch a month from 2027.
💻

Programming, Design & Data Science

WorkOS Pipes: More context makes for smarter products (Sponsor)

Users expect apps and agents to reach the tools they already work in, but every integration is weeks of OAuth plumbing and a token lifecycle you maintain forever. Pipes gives you pre-built connectors for 200+ providers, and a fresh token on every call.
Everything hackable will get hacked (6 minute read)

AI models have become much more capable of performing cybersecurity work over the past year. Defenders have an advantage right now because they can use stronger models, but the gap between open-weight models and closed models will soon close. Everyone can start improving their defensive posture with currently available frontier models. Continuously improving how you find and fix vulnerabilities should be a top priority, and the practice should continue as models improve.
Software engineering at a proprietary trading company: Optiver (28 minute read)

Trading companies build bespoke hardware stacks and have larger platform engineering teams than most workplaces. For software engineers, it's a lucrative niche in terms of compensation, full-stack work, and engineering challenges. Software engineers tend to know little about trading companies. This post covers in depth how engineering works in a modern trading business.
🎁

Miscellaneous

His Start-Up's Goal: AI That Is Trainable and Not Controlled by a Big Company (2 minute read)

Igor Babuschkin, who founded xAI with Elon Musk, left a year ago to build a new startup, River AI. The startup wants to create a new type of home computer that allows people to own and use AI without oversight from anyone else, including River AI. It plans to share its AI technologies as open source software. Babuschkin envisions future AI systems as trained to benefit individuals rather than centralized and controlled by one big corporation.
Elon Musk's New Texas Factory Will Be the Largest Building on Earth, If All Goes According to Plan (3 minute read)

Elon Musk's Terafab in Grimes County, Texas, is slated to top 100 million square feet. The factory will function as a joint supply chain for SpaceX and Tesla. It will combine logic, memory, and advanced packaging under one roof. Construction is projected to cost $16.8 billion. Eight tax incentive applications have been filed on behalf of the project, asking for tax breaks so the project has a more favorable after-tax return.

Quick Links

AI code review that fixes your code (Sponsor)

Gitar automatically reviews pull requests, providing AI-powered feedback on security, bugs, performance, edge cases, and code quality. It automatically analyzes your CI pipelines and fixes CI failures on your PRs. Try Gitar Free
Compression is prediction (22 minute read)

In compression, entropy measures how small we can shrink things, but in language modeling, it's used to make models better at prediction.
Nvidia's Risky Business (22 minute read)

Nvidia's ability to compete through novel funding mechanisms draws on things like insurance floats and pension funds and other long-run liabilities, which means the risk is considerably higher.
Scaling an Agentic Coding SDK: What Concurrency Actually Costs (8 minute read)

Agent concurrency is a large number of partially trusted computers operating at once.
Reach 8 million tech professionals reading TLDR (Sponsor)

Sponsoring TLDR puts your brand in front of developers, product managers, marketers, founders, and tech leaders when they're focused and ready to engage. Every subscriber has already opted into tech coverage, so there's no wasted reach. Learn more.
Make everything look like a software project (3 minute read)

There's now a strong incentive to make every project look like a software project.
Roadmap decisions rather than dates (13 minute read)

Some timeline tradeoffs are constrained by approvals, cross-team and cross-functional handoffs, or missing decisions, but almost none should be constrained purely on time.
Modular 26.5: Mojo 1.0 is here! (6 minute read)

Mojo has grown into a general-purpose language with a vibrant developer community.

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Dan Ni & Stephen Flanders


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Trump Security Ploy, Solar Eclipse, and 18,000 Animal Photos

President Trump secretly switched planes while leaving last month's NATO summit in Turkey, an elaborate ruse detailed in new reporting this week. Journalists and White House staffers aboard Air Force One had no idea their plane flew home as a decoy.
͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌   ͏ ‌  

Flying together with our sponsor

The Flyover

Elevated blood pressure is primarily driven by two things: constricted blood vessels and excess fluid in your bloodstream...

When arterial pathways shrink, and fluid levels rise, blood has to force its way through tight spaces. A very dangerous combination!

But there is one common everyday food that can contribute to BOTH of these issues at once, potentially causing your blood pressure to surge.

And it’s not salt.

You may even have this food sitting in your refrigerator or pantry right now.

Tap here to discover which food you may want to eliminate from your diet.

The Flyover Podcast

The following stories are featured exclusively on The Flyover Podcast—a daily show that gives you the most important headlines in under 15 minutes. Clicking the links will take you directly to these stories:

New research reveals the dangerous driving mistake 78% of Americans don't believe they're making. (Hear Mistake)

➤ Federal rules may soon let parents grow their children's savings with pretax paycheck dollars, and employers could match. (Hear Details)

➤ After 1,666 days in a Russian prison, a U.S. Marine veteran's story just took a dramatic turn. (Listen Now)

  

Politics

Voters in six states head to the polls today. Among the most closely watched by Democrats will be Wisconsin and Minnesota: In Wisconsin, socialist state Rep. Francesca Hong leads polls in her gubernatorial primary against establishment-backed David Crowley. In Minnesota, left-leaning Lt. Gov. Peggy Flanagan faces moderate Rep. Angie Craig for the Senate nomination. (More)

The Senate unanimously passed the Common Cents Act, which formally ends penny production, allows businesses to round cash transactions to the nearest nickel, and authorizes the Treasury to develop a lower-cost five-cent coin to replace the current nickel. (More)

A Staten Island judge temporarily blocked New York City Mayor Zohran Mamdani's new pied-à-terre tax on second homes valued at $5 million or more, ordering the city to take down its public tax roll while a homeowner lawsuit proceeds. (More)

A federal judge largely dismissed a Minnesota lawsuit challenging the Trump administration's interpretation of Title IX regarding transgender students, ruling the state faced no legal injury because no final enforcement action had occurred. (More)

Sports

The defending NBA champions, the New York Knicks, will open the season on Oct. 20 against LeBron James and the Philadelphia 76ers at Madison Square Garden. (More)

The 2026 NFL Draft generated $177 million in economic impact for the Pittsburgh region and drew a record 805,000 fans over the three-day event, according to two independent studies released this week. (More)

President Trump warned the World Cup "will never be as profitable" if FIFA removes president Gianni Infantino, who faces calls to resign over a failed plan to sell stakes in the tournament to private investors. (More)

The Dallas Cowboys agreed to a three-year, $105.9 million extension with defensive tackle Quinnen Williams—including $101 million guaranteed. The deal gives Williams the most guaranteed money at signing for any defensive tackle in NFL history. (More)

Yesterday’s Results: MLB | WNBA | Tennis | Soccer

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Finance

Trend Line Daily Market Report  08/11/2026

NASDAQ
National Association of Securities Dealers Automated Quotations
26,445.45
-0.60%
SPX
S&P 500
7,728.20
-0.32%
DJI
Dow Jones Industrial Average
53,791.85
-0.34%
BTC
Bitcoin
$63,637.08
-0.43%
GOLD
Per Ounce
$4,429.20
1.55%
SILVER
Per Ounce
$64.87
-0.36%
OIL
West Texas Intermediate Crude
$83.34
1.47%
NIQ
Nielsen IQ
$16.57
+41.82%
Bitcoin, gold, silver, and oil are traded 24 hours a day.

➤ Big Stock Move: Nielsen IQ stock soared nearly 42% on Tuesday after the marketing research firm reported better-than-expected second quarter results. (More)

Trump Media reported a $238 million second-quarter loss, more than 10 times the year-ago figure, as new CEO Kevin McGurn announced plans to abandon side ventures focused on crypto and betting and refocus on Truth Social. (More)

Existing home sales fell for the second straight month in July, dropping 1.7% as buyers faced mortgage rates that climbed to 6.6% during the month. (More)

Air taxi maker Joby Aviation announced a $500 million deal to acquire defense technology firm Resonant Sciences, pivoting toward the military market amid rising global defense spending. (More)

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Flying together with our sponsor

High blood pressure can be influenced by factors that affect your blood vessels and the amount of fluid circulating through your body. When blood vessels narrow while fluid volume increases, your heart may have to work harder to keep blood moving, and one surprisingly common food may contribute to both.

The surprising part? It’s not salt. It could be an everyday food you already keep in your refrigerator or pantry. Tap here to discover the food Blood Pressure Secrets says you should watch out for.

Science & Technology

➤ Today's total solar eclipse is mainland Europe's first since 1999, crossing Greenland, Iceland, and Spain. The Northeast catches a small partial, and NASA streams it live at 1:15 p.m. ET. (Watch Live)

British driver Andy Green set a new hydrogen-powered land speed record on Tuesday, reaching a top speed of 406.320 mph on the Bonneville Salt Flats, more than doubling the previous mark of 185.5 mph. (More)

An AI assistant hacked an Australian gym's booking system to get its owner into a popular morning class, even canceling another member's spot to move him up the waitlist. (More)

Flying together with our sponsor

New research from Columbia University highlights a surprising contributor to accelerated high blood pressure. Two leading doctors reveal a simple DIY method designed to help address arterial buildup linked to this threat. Their approach takes just 30 seconds a day and is explained alongside the research behind it. See the research and solution here.

The Rotator

Wisdom Wednesday

Wisdom Wednesday is brought to you by:

The Flyover

How much sun do you really need? Researchers say the thinking has changed, and hitting the sweet spot pays off in ways that might surprise you. (See Answer)

Making your man feel special can be as simple as a sentence. A longtime intimacy counselor shares 10 phrases that work in everyday conversation. (See Phrases)

Walking on eggshells around your partner is one of seven red flags of an extremely unhealthy relationship, according to a psychologist who studies couples. (See Red Flags)

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Et Cetera

➤ Tonight's Powerball drawing is worth nearly $1 billion, the eighth-biggest prize in the game's history, after no ticket matched Monday's $905 million numbers. (More)

➤ A former college golfer resigned from his Missouri country club after security footage revealed he planted his ball in the cup before a prize tournament, then claimed a hole-in-one. (More)

➤ A 20-year project to photograph every animal species in the world's zoos and aquariums just hit 18,000. The milestone went to a thumb-sized fish that walks on its fins. (See Photos)

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Poll Position

How do you feel about license plate cameras in your community?

  1. They make us safer
  2. They're mass surveillance
  3. Mixed feelings
  4. I haven't noticed any

Yesterday's Results:

What driving habit bothers you the most?

  1. Distracted driving: 22%
  2. Tailgating: 21%
  3. Left-lane camping: 20%
  4. Failure to signal: 14%
  5. Speeding: 12%
  6. Other: 11%

Quote BoxDaily Quote

Quote

"You do something as dumb as I did, there are consequences for that."

Zach Holland, the amateur golfer who resigned from his Missouri country club after admitting he faked a hole-in-one

TriviaToday's Trivia

Which medical breakthrough did dentist William Thomas Green Morton successfully demonstrate in 1846?

Show me the answer

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Growth Newsletter #343

unoptimized marketing, onboarding friction, and AI search.  ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏...