Amazon changes how copyright protection is applied to Kindle Direct’s self-published ebooks
Amazon says its Kindle Direct DRM-free titles will be available as PDFs and EPUB files going forward.
Understanding the thermal ceiling in portable power
Plug a phone into a modern charger and the first 10 minutes are impressive. The next 20 are not. This is not a defect. It’s the connected device protecting itself. As temperature rises during charging, a smartphone’s battery management system reduces the current it will accept, because heat accelerates the chemical degradation that permanently reduces…
This New Smart Ring Has One Specific Purpose — And It’s Under $100
The ring could be ideal for people who often have brilliant ideas — but forget them five minutes later.
5 Internet Trends Every Brand Must Understand Before 2026
Ecommerce’s future belongs to brands that personalize deeply and build loyalty beyond transactions.
Exclusive eBook: Aging Clocks & Understanding Why We Age
In this exclusive subscriber-only eBook, you’ll learn about a new method that scientists have uncovered to look at the ways our bodies are aging. by Jessica Hamzelou October 14, 2025 Table of Contents: Related Stories: Access all subscriber-only eBooks:
ChatGPT is Apple’s most downloaded app of 2025 in the US
This is ChatGPT’s first year as the No. 1 app on the U.S. App Store by downloads.
I Run a Portfolio of High-Growth Companies — This Practice Makes It All Possible
Entrepreneurship isn’t limited by ambition but by the absence of systems that turn effort into sustainable growth.
Amazon now offers same-day delivery of perishable groceries in 2,300 US cities
The e-commerce giant says it will expand the service to additional cities in 2026.
Oboe raises $16 million from a16z for its AI-powered course generation platform
Oboe has raised $16 million in funding for its learning app. The company now lets users generate unlimited courses for free.
Google launches managed MCP servers that let AI agents simply plug into its tools
Google is rolling out managed MCP servers to make its services “agent-ready by design,” starting with Maps and BigQuery, aiming to simplify messy integrations and help AI agents use real tools.
Unacademy’s founder says startup is now worth less than $500M, confirms M&A talks
Unacademy’s valuation has dropped by over 85% from its pandemic-era peak price tag of $3.5 billion, its founder said.