Dieter HolgerStaff Writer, PCWorld

Dieter is a staff writer covering consumer tech, apps, and services.

bluetooth trackers hub

Best Bluetooth trackers: These tiny gadgets help find your lost stuff

If you're constantly misplacing your keys or wallet, one of these devices can save time (and headache) while locating your belongings.

dna tests

Best DNA testing kits: Discover the secrets stored in your genes

At-home DNA testing has rapidly become a popular way to learn more about your ethnic background and heritage. We took numerous different tests to evaluate and compare their services.

python

The best online courses for learning Python

Python has quickly become one of the most popular coding languages in recent years. Here's why you should learn it and how to get started.

accessory bag hub

Best organizer bags, fanny packs, and pouches for your gear

For most of us, even our most pared-down tech includes not just a phone, but also cables, adapters, and other sundry accessories. This is where an accessory pouch, bag, or organizer comes in. We've rounded up some of our favorites.

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Best iPhone screen protectors: Keep your screen flawless

Screen protectors are a hassle, but a necessary hassle. To keep your display pristine, we've rounded up our favorite screen protectors for the iPhone.

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family tree dna kit

FamilyTreeDNA review: Unique genealogical collaboration, but an outdated interface

FamilyTreeDNA is the oldest consumer genetic geneaology company, and its age can show for the wrong reasons. But there are still some great features to consider. Read our review to learn more.

best photo book hero

Best photo book printing service: Cherish your memories in a DIY project

It's easier than ever to transform your photos into a pro-grade, coffee table-style photo book. But not all services are created equal. PCWorld reviewed photo book services to find the best money can buy.

picaboo cover

Picaboo photo book review: Decent overall, but photo reproduction is inconsistent

Picaboo has many great features, but its editor and photo quality need some work.

adoramapix cover

AdoramaPix photo book review: A great tool that creates beautiful, hard-bound books

AdoramaPix wowed us with its high-quality photo book and exceptional web-based creative tools.

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PrestoPhoto photo book review: Affordable but seriously flawed

With an online store for users to sell their photo book creations, PrestoPhoto is unique among the competition. It's also relatively cheap. But none of this mitigates serious problems.

mixbook cover

Mixbook photo book review: Great online editor, stunning photo prints

Mixbook is one of our favorite photo book services with an awesome web-based creation tool, and excellent print quality.

shutterfly photo book

Shutterfly photo book review: Great photos, not-so-great editor

Shutterfly offers the biggest photo book size available, but suffers from some serious problems.

ancestry versus 23

23andMe vs. AncestryDNA: Which is better?

23andMe and AncestryDNA are the two most popular DNA tests in the world. But there are some key differences you should know before buying one or the other.

ancestrydna genetics communities

DNA testing for ancestry is more detailed for white people. Here’s why, and how it's changing

23andMe and AncestryDNA are the most popular DNA tests in the world. But right now, their results appear biased toward people of European descent. Here's what's being done about it.

living dna kit instruction video

Living DNA review: This DNA test kit offers surprising detail

Living DNA offers a detailed overview of your ancestry you won’t find anywhere else, but it's still missing a key feature offered by other providers.