Tech Questions & Answers Archives

Q&A: What’s the difference between Bluetooth and WiFi?

Posted on September 4, 2026

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Question from Marvin: After using a flip phone for years, I finally decided it was time to upgrade to a smart phone.

I found a good deal on a new iPhone so I bought one. I like the phone ok, but some things about it are really confusing.

For example, my phone’s user manual says it supports both Bluetooth and WiFi wireless connectivity.

What is Bluetooth and how is it different from WiFi? [Read more…]

Q&A: What exactly is a GaN charger?

Posted on September 2, 2026

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Question from Darla: I went online to search for a new wall charger for my phone and iPad and I noticed that some of them were labeled as GaN chargers.

I had never seen that before (but it’s been years since I bought a new charger).

What does the GaN mean? [Read more…]

Q&A: If I remove a computer’s hard drive will any data be left behind?

Posted on August 29, 2026

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Question from Karen: I have several old computers in my basement that I want to recycle.

I’ve always heard that you need to destroy a computer’s hard drive before you recycle it to prevent someone else from maybe getting your files.

My question is will removing the hard drive from a PC completely eliminate any possibility of someone finding my old files.

[Read more…]

Q&A: Is the Copy Plain Text browser extension safe?

Posted on August 28, 2026

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Question from Amber: I do a lot of copying and pasting when I’m writing posts for my lifestyle blog.

Something that always irritates me is having to paste everything into Notepad to get rid of the formatting and then copy the “clean” text and paste it into the blog post I’m working on.

I checked Google and found a Firefox browser extension called Copy Plain Text that allows you to copy text and paste it without the formatting.

My question is, do you think it’s safe to use this extension? [Read more…]