The Daily Index — Tuesday, November 7, 2023 · TLDR Index

Across today’s newsletters

Today’s Index

TLDR

ALL THE NEWS FROM OPENAI’S FIRST DEVELOPER CONFERENCE

OpenAI has hosted its first-ever developer conference, almost a year after the company released ChatGPT to the public. This article provides an overview of the announcements from the event. The company plans to launch a GPT store later this month. It has introduced a copyright shield that defends customers from legal action. GPT-4 Turbo is now available. Anyone can now create custom versions of ChatGPT.

theverge.com · 12 min

TLDR AI

OPENAI DEV DAY RECAP

GPT-4 Turbo at a fraction of the cost with 128k context, custom GPTs, and vision in the API.

openai.com · 6 min

TLDR Web Dev

HOW DISCORD CAN SERVE MILLIONS OF USERS FROM A SINGLE SERVER

Discord handles millions of users on its servers by optimizing its system using technologies like BEAM (Erlang Virtual Machine) and Elixir. BEAM's lightweight processes and message-passing capabilities enable high concurrency, while Elixir simplifies Erlang's syntax. Discord optimized its fanout system for updates by using Elixir processes to help manage servers and user clients.

blog.quastor.org · 13 min

TLDR Crypto

CELSIUS WINNER PROOF GROUP IS IN RUNNING TO RELAUNCH FTX, SOURCES SAY

Proof Group, a firm that was involved in the successful Celsius bid, is also bidding to relaunch FTX, which collapsed almost a year ago. The defunct exchange has received several bids, now down to a shortlist of three. The final decision is anticipated by mid-December, with options including selling the entire exchange or partnering with another exchange to utilize existing user accounts. Restructuring FTX has been a meticulous process, involving the addressing of issues such as claims, token lockups, and compliance matters.

coindesk.com · 2 min

TLDR Design

MIDJOURNEY’S NEW STYLE TUNER IS HERE. HERE’S HOW TO USE IT.

Midjourney’s latest update launched on the evening of Nov. 1, 2023. Called the style tuner, it is arguably the most important update yet for enterprises, brands, and creators looking to tell cohesive stories in the same style. That’s because the new style tuner allows users to generate their unique visual style and apply it to any and potentially all images generated in the application going forward.

venturebeat.com · 8 min

TLDR

YOUTUBE TESTS A ‘PLAY SOMETHING’ BUTTON FOR WHEN YOU DON’T KNOW WHAT TO WATCH

YouTube is testing a new 'play something' button on its mobile app that directs users to a random video. The feature directs users to both YouTube Shorts and full-length videos. It is unclear whether the feature takes into account users' watch histories when picking videos. YouTube has been working on the feature since at least around May.

theverge.com · 2 min

TLDR

SCIENTISTS ARE RESEARCHING A DEVICE THAT CAN INDUCE LUCID DREAMS ON DEMAND

Prophetic is a tech startup that aims to bring lucid dreams to a wider audience by developing a wearable device designed to induce the experience when desired. It uses ultrasound and machine learning models to detect when dreamers are in REM to induce and stabilize lucid dreams. Prophetic’s Halo device is slated for release in 2025. A render of the device is available in the article.

vice.com · 6 min

TLDR

APPLE AIMS TO REINVENT THE BATTERY WITH HIGH-PERFORMANCE CATHODE TECHNOLOGY

Apple is designing a battery with a new composition of raw materials. It aims to dramatically increase the silicon content to increase capacity and shorten charging times. One of the main issues with using silicon for batteries is that silicon expands during charging and powering. Apple is also researching the use of carbon nanotubes as a conductive material to improve battery performance. The new battery may be launched as soon as 2025.

appleinsider.com · 2 min

TLDR

NEW MODELS AND DEVELOPER PRODUCTS ANNOUNCED AT DEVDAY

Some of the new additions and improvements announced at OpenAI's DevDay include a new GPT-4 Turbo model, a new Assistant's API, and new multimodal capabilities. Pricing was reduced across many parts of OpenAI's platform. The new features are now available to customers. This article covers the update in detail.

openai.com · 12 min