Smartphone Overheating: Separating Normal Warmth From Real Hardware Risk

Smartphone Overheating: Separating Normal Warmth From Real Hardware Risk

Smartphones warm up, and manufacturers say so without hedging. In most cases that heat is the byproduct of ordinary work rather than evidence of a fault. The distinction that matters is between a device that gets warm under load and one that fires off repeated temperature warnings, heats up while sitting idle, develops a scorching … Read more

Meta Halts Muse Chat Sharing After Conversation Titles Leak Into Public DNS

Meta Halts Muse Chat Sharing After Conversation Titles Leak Into Public DNS

Meta has switched off conversation sharing inside Muse, its personal AI agent, after a security firm demonstrated that shared chats could be harvested from public internet infrastructure without anyone ever receiving a link. The culprit was a naming decision: Muse built each share’s web address out of the conversation’s own title, and that title was … Read more

Standby Power: What Idle Devices Really Cost and What to Unplug

Standby Power: What Idle Devices Really Cost and What to Unplug

A new appliance sold in the EU cannot draw more than 0.5 watts in basic standby mode—or 0.8 watts if it shows information like a clock. At current Spanish electricity prices, that half-watt running all year costs about €1.10. The red light on a modern TV is no longer the problem. The real culprits are … Read more

ChatGPT’s New Locked Chats Hide Conversations, But Add No Encryption

ChatGPT’s New Locked Chats Hide Conversations, But Add No Encryption

OpenAI has begun rolling out locked chats in ChatGPT, a feature that hides individual conversations behind a four-digit account PIN so they disappear from the main history, from pinned chats and from ordinary search. The release notes are dated October 20, and the accompanying help-centre article is strikingly candid about what the lock does — … Read more

RAG Explained: Grounding Chatbots in Your Own Files Cuts Errors, Not All of Them

RAG Explained: Grounding Chatbots in Your Own Files Cuts Errors, Not All of Them

Ask a general-purpose chatbot about an internal policy and it will often answer from memory — fluently, confidently and occasionally wrong. Retrieval-augmented generation, better known as RAG, is the fix the industry settled on: before composing a sentence, the system searches a document collection you supplied, pulls the passages that look relevant and drafts its … Read more

Deepfake Investment Ads: Verify a Firm in Minutes Before You Lose Money

Deepfake Investment Ads: Verify a Firm in Minutes Before You Lose Money

A video ad showing a famous actor, singer, or public official promising quick profits from an investment platform should be treated as fraud until proven otherwise. Spain’s CNMV is blunt: using well-known figures with easy-money promises is an “unequivocal sign” of financial fraud. TechNews DevTop breaks down how the scheme works, how to verify a … Read more

WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

WhatsApp chats may feel as if they live inside the app, but the history sits on the phone—and the backup lands in Google on Android or iCloud on iPhone. As of October 2026, WhatsApp is also testing its own cloud storage, a third path not yet universally available. Because WhatsApp does not store chat history … Read more

Blue-Light Lenses vs. Screen Strain: What the Evidence Actually Shows

Blue-Light Lenses vs. Screen Strain: What the Evidence Actually Shows

Blue-light-filtering eyewear has become a default accessory for desk workers, marketed as a shield against tired eyes. The strongest synthesis of the evidence suggests the sales pitch is ahead of the science. A 2023 Cochrane review found that blue-light-filtering lenses may not reduce short-term visual fatigue from computer work compared with ordinary lenses, and the … Read more

Switching Mobile or Fibre in Spain: Portability Rules and Exit Costs

Switching Mobile or Fibre in Spain: Portability Rules and Exit Costs

Switching telecom providers in Spain has become a mass-market ritual: according to regulator CNMC, 491,629 mobile numbers were ported in July 2026 alone, up 1.4% year on year, alongside 89,367 fixed lines. The rules governing that churn sit in the 2022 General Telecommunications Law (Ley 11/2022), consumer protection legislation and the 2009 Charter of Users’ … Read more

Meta’s Camera Glasses: LED Warnings, Privacy Risks, and Spanish Law

Meta’s Camera Glasses: LED Warnings, Privacy Risks, and Spanish Law

Smart glasses with cameras look like ordinary eyewear, which is exactly why they raise privacy alarms. Spain’s data protection authority, the AEPD, addressed the issue in a good-practice guide published on July 13, 2026, warning that conventional-looking frames can capture people without permission, especially in sensitive places such as pools and beaches. TechNews DevTop examines … Read more