Author · 968 stories

Rahul Vithala

Rahul is the Editor-in-Chief at Thetechhacker, Phone Opinions, and Ask Hacker. After realizing an obsession with technology, he left his job career to write about the latest gadgets and trends.
How to let important calls ring in iPhone focus mode (iOS 15–17)
How-to

How to Let Important Calls Ring in iPhone Focus Mode

To let important calls ring on your iPhone while a Focus is on, open Settings > Focus, pick the Focus, tap People and add those contacts (or set Calls From to Favorites). For people who must always get through, even in Sleep or Silent mode, turn on Emergency Bypass in their contact card. Focus is…

NordVPN Review
VPN Reviews

NordVPN 2025 Review: Is It Really Worth Your Money?

We wrote about NordVPN back in 2016 on thetechhacker and called it “the world’s most advanced VPN.” That was almost 10 years ago. A lot has changed since then. So we decided to test NordVPN again in 2025 to see if it’s still good or just living off its old reputation. NordVPN is a very…

Avast Premium Security Review
App Reviews

Avast Premium Security (PC) Review 2025

Avast Premium Security for PC is a full-featured, multi-layered suite that brings robust protection against malware, phishing, ransomware, and remote-access attacks, wrapped in an approachable interface for everyday users. It meaningfully upgrades Avast’s free tier with advanced shields like Firewall, Real Site, Sandbox, Remote Access Shield, and banking protection that matter in daily internet use.…

Powerful CTA Optimization for Websites - Pro Tips For Killer CTA Buttons
Guides

Powerful CTA Optimization for Websites – Pro Tips For Killer CTA Buttons

A good call-to-action button always shows a subtle impact that turns casual visitors into customers, subscribers, or leads, especially on websites where mobile-first behavior and buying decisions. Website content with one clear CTA typically converts better than cluttered pages with competing links, so the first step is focus and clarity. From copy to color and…

JSON Prompting
AI

What is JSON Prompting? How it work?

A JSON prompt is a simple text-based way to instruct an AI model using a JSON object so that tasks, constraints, and expected outputs are explicit and machine‑readable, which improves accuracy and consistency compared to normal typing prompts. It works by organizing instructions into key‑value pairs (for example, task, context, constraints, and output_format), often alongside…

How to the right iPad storage size in 2025
Guides

How to choose the right iPad storage size in 2025?

Choosing an iPad storage in 2025 depends on real use, not just price or hype. Apple sells iPads from basic capacities to huge 2TB models, and the right choice varies by work, study, entertainment, and creative needs. Bigger storage often comes with higher RAM and extra performance on Pro models, so storage is also a…

Advantages and Disadvantages of AI Agents
Pros and Cons

Advantages and Disadvantages of AI Agents

For those who don’t know, an AI agent is a software program that can observe inputs, make decisions, and perform tasks on its own or with small help from humans. It can read data, plan steps, act in apps, and learn from results. Today, AI agents help in customer support, marketing campaigns, coding help, scheduling,…

HONOR Magic V5 to Launch Globally on August 28
News

HONOR Magic V5 to Launch Globally on August 28

HONOR has officially announced that it will launch its new foldable phone, the HONOR Magic V5, on August 28th in London.

Real Estate Branding
How-to

Real Estate Branding: A Step-by-Step Global Guide to Building Trust and Generating Online Leads Through Meta, Google AdWords, and LinkedIn

Real estate is an evergreen business model whether you’re dealing with apartments in New York, villas in Spain, or condos in Singapore. In this new age of digital-first decision-making, buyers want properties they can trust and agencies that promise transparency, reliability, and a seamless experience. How does one create a real estate brand that stands…

Which Businesses Need Digital Marketing Most
Top 10

Which Businesses Need Digital Marketing Most? Top 10 Industries Ranked

At present, almost all online businesses are connected with their clients. Nearly every business, from neighborhood tea stalls to multinational corporations, requires some form of digital marketing to stay relevant and competitive. With over 900 million internet users in India and digital ad spending growing at 40% annually, the question isn’t whether businesses need digital…

Apple’s Revamped Blood Oxygen Feature Returns to Latest Watches in the US
News

Apple’s Revamped Blood Oxygen Feature Returns to Latest Watches in the US

Apple made an official announcement through a short press release on Thursday about relaunching its “redesigned” Blood Oxygen feature for the Apple Watch. This update is all set to benefit users of Apple Watch Series 9, Series 10, and the Apple Watch Ultra 2 in the United States. Apple will roll out a new software…

Daily Information Intake
Editors' Choice

Daily Information Intake: How Much Is Healthy?

Information is a feed for the mind, yet like food, too much too fast can overwhelm the system. From classroom notes to Instagram Reels, users now juggle nearly eight hours of media daily. Understanding healthy limits across study, entertainment, and social feeds is essential for sharper cognition, a steady mood, and better sleep. 1. The…

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