Christopher NullPCWorld

Follow me on Google+

Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

tech that died 2015 primary

12 technologies that died in 2015

Some tech died quickly. Some faded away. For better or worse, we look back at what we lost in 2015.

Target Open House

Sears vs Target: Which store operates the best connected-home showroom?

Two retail giants are making the most of their brick-and-mortar assets to help educate consumers about the latest smart-home trends.

on techhive.com

skype logo open graph

Skype vs. Skype for Business: Who can stick with the free app, who needs to upgrade

Skype for Business offers advantages geared for businesses that are big—or that want to look big. Here's how to decide whether it's worth the money for your needs.

Smart LED bulbs

6 smart LED bulbs tested: We name the best and brightest for lighting your connected home

Color-tunable lighting makes for a striking home environment, but the upfront investment can be substantial. We’ll help you pick the right bulb for your needs.

Osram Lightify

Osram Lightify review: This white-only LED bulb is a solid value

You can tell this modern bulb was developed by an old-school manufacturer that doesn't have much experience developing apps.

Philips Hue

Philips Hue review: The pioneer in LED lighting is showing its age

Reliance on the ZigBee protocol can cause range issues, but no company has been in this space longer.

LIFX

LIFX Edison A21 review: This is a bulky LED bulb, but it delivers the goods on all other counts

The Edison A21 won't fit in every fixture, but it's bright and it comes with a great control app.

Oort Smartbulb

OORT SmartLED review: This is one dim bulb

This LED bulb's Bluetooth mesh network is a significant innovation, but the bulb itself leaves much to be desired.

Singled

Sengled Pulse review: You got your speaker in my lightbulb!

This LED bulb will have everyone at the party asking where the music is coming from.

Ilumi

iLumi Small A21 Smartbulb review: Easy to set up, but pricey

This bulb's reliance on Bluetooth has its pluses and minuses.

imessage disable primary

How to solve the five biggest Messages and FaceTime annoyances

Apple’s messaging system works brilliantly—most of the time. Here are some simple fixes for five common problems.

wine cellar

Pocket vino: We review 5 apps for managing your wine cellar

Assembling a collection of fine wines can take decades, but the best library holds little value if you don't know which volumes it contains.

Tesla coil

Cutting the final cord: How wireless power and wireless charging works

We routinely stream music and video through the air without wires. We’ll soon be able to do the same with electricity.

Onkyo LS-B50

Onkyo LS-B50 sound bar review: An underwhelming home-theater effort

Don’t be fooled by its muscular appearance, this entry-level speaker system is a 98-pound weakling both in terms of features and performance.

color temperature

How to optimize your home lighting design based on color temperature

Once you understand what color temperature is and why it matters, you can choose the right types of light bulbs to improve the quality of your life at home.