The Daily Index — Tuesday, August 19, 2025 · TLDR Index

Across today’s newsletters

Today’s Index

TLDR

TESLA OFFICIALLY LAUNCHES MODEL YL WITH 6 SEATS, STARTING AT ~$47,000

Tesla has launched the Model YL in China starting at 339,000 Chinese Yuan, or about $47,000 USD. The model YL is a larger Model Y with six seats and a range of 751 kilometers. The vehicle has up to 2,539 liters of storage space and electric armrests in the second-row seats. Deliveries are expected in September. Images of the new version of the Model Y are available in the article.

electrek.co · 3 min

TLDR AI

OPENAI LAUNCHES A SUB $5 CHATGPT PLAN IN INDIA

OpenAI has launched a new subscription plan in India called ChatGPT Go. Priced at ₹399 per month ($4.60), the plan increases message, image generation, and file upload limits by 10 times over the free tier. It also enables better memory retention for more personalized responses. The plan is geo-restricted to India - OpenAI plans to expand the plan to more regions.

techcrunch.com · 3 min

TLDR Web Dev

CONTENT ADDRESSABLE STORAGE

Content Addressable Storage (CAS) uses cryptographic hashes of file content for addressing, making sure that identical content always generates the same hash. The technique solves problems related to browser caching and data duplication. This article goes over a Rust implementation of a CAS system, starting with a simple in-memory store and progressing to a persistent store that optimizes file system layout for performance.

namvdo.ai · 19 min

TLDR InfoSec

LLM CHATBOTS TRIVIAL TO WEAPONIZE FOR DATA THEFT, SAY BOFFINS

AI chatbots can easily be manipulated to harvest personal data by tweaking system prompts. Even people with little technical skill can weaponize these bots, making privacy risks greater for users. Regulators and companies need stronger safeguards to protect personal information.

theregister.com · 6 min

TLDR Crypto

BTCS TO PAY FIRST-EVER ETHER DIVIDEND

BTCS Inc., a Nasdaq-listed Ethereum treasury, has announced the first-ever ETH dividend of $0.05 per share payable in ETH or cash, with shareholders required to opt in by the September 26 record date, alongside a $0.35 per share loyalty payment in ETH for those transferring holdings to book entry and maintaining them for at least 120 days through January 26, 2026. The initiative aims to reward long-term investors and deter short selling by making shares harder to borrow, addressing a perceived disconnect between the company's $6.65 per share balance sheet value in cash and digital assets and its market price below $5.

coindesk.com · 4 min

TLDR

IPHONE 17, THE ‘THINNEST IPHONE EVER,' AND EVERYTHING ELSE WE'RE EXPECTING OUT OF APPLE'S HARDWARE EVENT

Apple is expected to release its iPhone 17 lineup on September 9 along with updates for the Apple Watch and AirPods. There are many rumors circulating, including bigger screens and improved cameras for the iPhone 17 range and the introduction of an ultra-thin iPhone Air model. This article rounds up the news and rumors so far about the devices Apple plans to release in the coming weeks.

techcrunch.com · 6 min

TLDR

THE ATHLETES AT CHINA'S ROBOT GAMES FELL DOWN A LOT

The Humanoid Robot Games was a three-day event held in Beijing that featured more than 280 teams from universities and private companies in 16 countries. The games included soccer matches, sprints, kickboxing matches, and many other sports. China is trying to make rapid advancements in robotics, and the games were a test of cutting-edge advancements in robotics technology. They revealed limitations, but also possibilities - despite some falls, significant progress is being made in robot locomotion and balance.

links.tldrnewsletter.com · 5 min

TLDR

THE WEIGHT OF A CELL

We know that a single yeast cell weighs about 100 picograms and a single E. coli bacterium weighs about one picogram. While we now have devices that can measure individual cells with femtogram precision, scientists decades ago had to make do with whatever was already in the lab. The weight of an individual yeast cell was first measured with little more than a microscope, sugar water, and a camera. Measuring E. coli required a completely different strategy. This post looks at these early experiments to show how phenomena that seem difficult to measure can be overcome through mathematics and first principles thinking.

asimov.press · 8 min

TLDR

INSIDE CLICKHOUSE FULL-TEXT SEARCH: FAST, NATIVE, AND COLUMNAR

ClickHouse completely rebuilt its full-text search to be faster, leaner, and fully native to the columnar database design. This article explains the new design, which enables high-performance search without having to leave the database. The new native text index makes search in ClickHouse fast, precise, and fully integrated. It allows users to run complex searches with the same efficiency as analytical queries.

clickhouse.com · 25 min