Dieter HolgerStaff Writer, PCWorld
Dieter is a staff writer covering consumer tech, apps, and services.
23andMe review: It lives up to the hype of DNA testing
23andMe is the second-most popular DNA testing service in the world. Its large database of users and comprehensive DNA test make it our favorite DNA test.
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.
23andMe vs. AncestryDNA: Which ancestry DNA kit 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.
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.
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.
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.
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.
FamilyTreeDNA review: Unique genealogical collaboration, but an outdated interface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 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 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 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.
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 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 review: Great photos, not-so-great editor
Shutterfly offers the biggest photo book size available, but suffers from some serious problems.
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.
Articles by Dieter Holger
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