The Daily Index — Tuesday, March 3, 2026 · TLDR Index

Across today’s newsletters

Today’s Index

TLDR

APPLE'S NEW IPHONE 17E HAS AN A19 CHIP, MAGSAFE, AND 256GB OF STORAGE FOR $599

Apple has introduced a new iPhone in March for the second year in a row. The iPhone 17e is a basic, no-frills iPhone that features an A19 chip with four GPU cores and an Apple C1X cellular modem. The phone supports Apple Intelligence and MagSafe charging. It will be available for preorder on March 4 for a March 11 launch. The base 256GB model will cost $599, while an upgraded 512GB model will be available for $799.

arstechnica.com · 2 min

TLDR AI

AI CODING STARTUP CURSOR HITS $2 BILLION ANNUAL SALES RATE

Cursor is one of the fastest-growing startups of all time. It is less than five years old, yet its product is already ingrained in many software programmers' daily routine. The company's annualized revenue topped $2 billion in February. About 60% of the revenue is coming from corporate customers. The startup was valued at $29.3 billion in November, making it one of the most valuable AI startups in the US.

links.tldrnewsletter.com · 2 min

TLDR Dev

INSIDE THE M4 APPLE NEURAL ENGINE, PART 1: REVERSE ENGINEERING

This dev collaboratively reverse-engineered Apple's M4 Neural Engine (ANE), bypassing CoreML to directly program the hardware and understand its undocumented architecture. They successfully mapped the software stack, discovered private APIs, cracked the binary format, and developed a method for direct compilation and execution on the ANE.

maderix.substack.com · 11 min

TLDR InfoSec

HACKTIVISTS CLAIM TO HAVE HACKED HOMELAND SECURITY TO RELEASE ICE CONTRACT DATA

Hacktivist group “Department of Peace” claims to have breached a DHS tech‑procurement office, leaking ICE contract records involving over 6,000 vendors, including major defense and surveillance firms. The data exposes contract values and detailed contact information, sharpening doxxing, targeting, and supply‑chain risks for companies embedded in the US immigration enforcement infrastructure.

techcrunch.com · 2 min

TLDR Crypto

PAYPAY, 40% OWNER OF BINANCE JAPAN, SEEKS UP TO $1.1 BILLION IN IPO

Japan's largest cashless provider, PayPay, plans a $1.1 billion Nasdaq IPO targeting a $10 billion valuation. Backed by SoftBank, the firm owns 40% of Binance Japan. The listing integrates digital payments with crypto, allowing 70 million users to fund purchases via Binance Japan using PayPay Money.

coindesk.com · 3 min

TLDR

META TESTS AI SHOPPING RESEARCH TOOL TO RIVAL CHATGPT, GEMINI

Meta is testing a shopping research feature in its AI chatbot. The feature responds with carousels of product images with captions containing information about brands, websites, and prices. The chatbot's recommendations are tailored to users' location and other details when applicable. It is unclear whether Meta currently receives referral commissions for its chatbot recommendations or whether the AI prioritizes brands that already advertise with Meta.

links.tldrnewsletter.com · 2 min

TLDR

ELON MUSK OUTLINES PLAN FOR FIRST STARSHIP TOWER CATCH ATTEMPT

SpaceX will attempt to catch Starship's upper stage with its launch tower after two perfect soft landings in the ocean. Starship V3 Ship 1 is now headed for ground tests. The vehicle is designed for full reusability. The first Starship V3 flight of 2026 will likely occur this month.

teslarati.com · 1 min

TLDR

FIRST-EVER IN-UTERO STEM CELL THERAPY FOR FETAL SPINA BIFIDA REPAIR IS SAFE, STUDY FINDS

A research team at UC Davis Health has safely performed a spina bifida treatment combining fetal surgery with stem cells. The therapy involved adding a layer of human placenta-derived stem cells to standard fetal surgery. Putting stem cells into a growing fetus was a total unknown, but the team reported great safety. The success paves the way for new treatment options for children with birth defects.

health.ucdavis.edu · 3 min

TLDR

THE ARCHITECTURE BEHIND OPEN-SOURCE LLMS

In the open-weight ecosystem, teams build on each other's innovations to compound the pace of progress. This post looks at various open source models and the engineering bets that define each one. Every major open-weight model released at the frontier since 2025 uses a Mixture-of-Experts transformer architecture. Almost every 'open source' model is actually open weight - this means the trained parameters are public, but the training data and often the full training code are not.

blog.bytebytego.com · 11 min