Study: Social media probably can’t be fixed

“The mechanism producing these problematic outcomes is really robust and hard to resolve.” It’s no secret that much of social media has become profoundly dysfunctional. Rather than bringing us together into one utopian public square and fostering a healthy exchange of ideas, these platforms too often create filter…

OpenAI brings back GPT-4o after user revolt

After unpopular GPT-5 launch, OpenAI begins restoring optional access to previous AI models.  On Tuesday, OpenAI CEO Sam Altman announced that GPT-4o has returned to ChatGPT following intense user backlash over its removal during last week’s GPT-5 launch. The AI model now appears in the model picker for all…

OpenAI, cofounder Sam Altman to take on Neuralink with new startup

Sam Altman says we could soon have “high-bandwidth brain-computer interfaces.” OpenAI and its cofounder Sam Altman are preparing to back a company that will compete with Elon Musk’s Neuralink by connecting human brains with computers, heightening the rivalry between the two billionaire entrepreneurs. The new venture, called Merge Labs,…

Rad Power’s Radster: A very non-radical commuter bike

​The Radster is great as a Class 2 e-bike, but not quite as strong as a Class 3.  With e-bike manufacturing in China having expanded considerably, the number of companies offering affordable e-bikes over the last five years has exploded. But the market for cycles with an electric assist…

High-severity WinRAR 0-day exploited for weeks by 2 groups

Exploits allow for persistent backdooring when targets open booby-trapped archive.  A high-severity zero-day in the widely used WinRAR file compressor is under active exploitation by two Russian cybercrime groups. The attacks backdoor computers that open malicious archives attached to phishing messages, some of which are personalized. Security firm ESET…