How-To Geek

Harry Guinness-

Harry Guinness

Contributing since September, 2016

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About Harry Guinness

Harry Guinness writes occasionally when he’s not busy skiing, sailing, partying, lifting weights, or otherwise dodging responsibility. His main areas of interest are himself, gin, and crazy people with interesting stories to tell. When people won’t pay him to write ill-thought-out opinion pieces, he covers photography, technology, and culture. You can follow him on Twitter.

Latest Articles

Changing the camera capture format setting on iPhone
iPhone & iPad
How to Make Your iPhone Use JPG and MP4 Files Instead of HEIF, HEIC, and HEVC

Tired of not being able to view the photos taken on your iPhone?

preview image showing layer mask
Photoshop
What's the Difference Between Opacity, Flow, & Density in Photoshop?

They have some subtle but important differences.

preview image showing calibration panel
Photoshop
What Is Calibration in Adobe Camera Raw and Lightroom?

It's one of the least understood tools.

Kindle laying on a tablet next to a cup of coffee
Kindle
How to Hide Audible Audiobooks on Your Kindle

They can clutter up your Kindle otherwise.

preview image showing composite setup
Features
What Is Compositing in Photography?

It's one of the most common—and least known—techniques.

preview image showing vignette
Features
What Is a Vignette in Photography?

Let's talk about everyone's favorite retro effect.

Several gift boxes with assorted colors and ribbons
Cloud & Internet
How to Give a Gift Receipt with an Amazon Purchase

So you don't have to worry about returning something yourself.

preview image showing lighthouse at sunrise
Features
What Are the Golden and Blue Hours in Photography?

They're some of the best times to take photos.

preview showing half-burned image
Photoshop
How to Dodge and Burn in Photoshop (Or Any Other Image Editor)

It's one of the most powerful photo-editing techniques you can use.

Girl reading an ebook
Kindle
How to Read Books in Landscape Mode on Your Kindle

Want to read your Kindle sideway? Here's how.

dodged and burned preview image
Photoshop
What Are Dodging and Burning in Photography?

They're two of the oldest photo editing techniques.

Features
Should I Buy the AeroPress or AeroPress Go?

The AeroPress is one of the best coffee berewers out there—but should you get the original or the Go? Let's find out.

preview image showing space saving options
Kindle
How to Free Up Space on Your Kindle

Kindle out of space? Here's what to do.

kindle passcode screen
Kindle
How to Add a Password to Your Kindle

You can lock your Kindle with a PIN—here's how.

preview of dramatic cloudy day
Features
Why Do Photographers Say Cloudy Days Are the Best for Photography?

Here's why photographers love cloudy days.

preview image showing filter half applied
Photoshop
How to Add Lightroom Presets to Photoshop

Did you know that Lightroom presets work in Photoshop?

preview image showing different text options
Kindle
How to Customize Text on Your Kindle

Take control of your favorite book's look on your Kindle.

preview image with complementary colors
Features
What You Need to Know About Color Theory for Great Photos

Color is one of the most important elements of photography. Here's what you need to know.

Young woman napping on a gray couch
Apple Watch
Can You Track Naps on an Apple Watch?

With a little effort, tracking naps on an Apple Watch is possible.

preview image showing custom text installed
Kindle
How to Install Custom Fonts on Your Kindle

Boring e-book? Spice it up with a custom font.

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