Aren Q. Renna

Querorenda.com is run by Aren Q. Renna, who writes in clear, accessible language on topics such as digital finance, cleantech, everyday AI, and healthtech. Aren loves innovative ideas and is dedicated to turning obscure topics into practical information. His goal is to help readers understand, inspire, and navigate the rapidly changing, technology-driven world of life.

Staying Safe: Cybersecurity Tips for Digital Finance Users

In today’s fast-paced digital world, keeping track of your money online is essential. Digital wallets and mobile payments have simplified the process of sending and receiving money. This convenience comes with risks, as cybercriminals are constantly coming up with new ways to steal personal information. It is important to keep your financial information safe to …

What Is Clean Tech? A Simple Guide to the Future of Sustainability

Clean technology aims to protect both the environment and economic prosperity, with an additional social aspect prioritizing oppressed communities’ needs. Global sustainability challenges such as climate change, biodiversity loss, resource depletion, and pollution require systemic solutions. Meeting them involves technological innovation, social transformations, and international cooperation—with clean technology playing an essential part in solving them …

Health Tech and Data Privacy: What You Need to Know

The advent of health technology, or health tech, has revolutionized the way we approach healthcare. From wearable devices and telemedicine apps to AI-powered diagnosis tools, the integration of technology into healthcare offers significant benefits. It has paved the way for more personalized care, streamlined services, and improved patient outcomes. However, along with these advancements comes …

Everyday AI Tools That Make Life Easier for Seniors

Artificial intelligence (AI) is becoming a powerful partner in making life easier for everyone, especially seniors. As people age, they often experience challenges with memory, mobility, health, and communication. Current developments in AI solutions aim to address these challenges. For many seniors, talking to a device, reminding them to take their medications on time, or …

How Clean Tech Is Powering the Smart Grid Revolution

Clean technology (green tech) refers to any category that reduces negative environmental impacts by recycling materials, preventing pollution and conserving natural resources. These revolutionary technologies range from solar panels and smart meters, to generative AI and other breakthroughs that support sustainable future. 1. Decentralized Microgrids Energy, Utilities and Resources (EUR) organizations face increasingly short sustainability …