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The EPUB Proof is in the iBooks pudding (hint: it's in the Advanced Menu)

Having trouble distributing your EPUB book? Here are some tips on self-publishing your own book and syncing it with the iBookstore.

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Photos app floods broadband while seeding the cloud

Living in the cloud sounds wonderful until you spend a month flooding your broadband to upload your initial data.

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Apple Studio Display was easy on the eyes, hard on the back

Have you lifted a 77-pound monitor lately? It's heavy. But once Christopher Phin got this eBay find on his desk, he found CRT bliss.

the hunt 3.0

The Hunt's revamped app solves life's big mystery: Where can I buy that?

Every image is a buying opportunity when The Hunt's community tracks down what you're looking for.

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Iceland and beyond: Exploring offshore web hosting

Although a local web hosting provider might be your first thought, hosting your website abroad can improve security and performance.

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How the Apple Watch heart rate sensor works, according to Apple

Apple's green LEDs aren't a major departure from other fitness trackers, though the addition of infrared light could help conserve battery life.

Twitter opens up direct messaging again, despite abuse fears

The platform is giving its DM free-for-all another shot, two years after its original experiment fizzled.

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Got a new MacBook? USB Target Disk Mode works with the right cable (which Apple doesn't sell)

Now you see it, now you don't. Wait, it's back! Apple introduces first Target Disk Mode for MacBook with lots of qualifications.

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How to design an environmentally friendly website

Reducing your carbon footprint can be as simple as changing the background color of your website, or taking the time to clear out unused files. Here's how to make your site more efficient while having a positive impact on the environment.

Heroes of the Storm

Blizzard announces Heroes of the Storm release date and open beta

Soon you'll be able to pit the stars of Warcraft, Diablo, Starcraft, and other Blizzard games against each other in Heroes of the Storm.

on pcworld.com

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Twitter accounts outside of the US now fall under EU data protection rules

Twitter's International headquarters will be in Dublin

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Halo comes to iOS, but it's not the same shooter you know from Xbox

Microsoft brings the smash series to the App Store with a pair of spinoff games—and here's a hands-on look at both.

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3 easy ways to share a Mac's screen, great for long-distance tech support

Has your family appointed you as dedicated Mac support technician? Of course they have. Use Screen, TeamViewer, or even FaceTime to help them out no matter how far away.

Pointless gyrations: Comparisons that don't make sense

Smartphones are just like smartwatches, right?

MacBook USB-C cable

Apple's 12-inch MacBook can use third-party USB Type-C cables

Owners of new MacBook will have other options in addition to Apple's cables.