Serenity CaldwellAssociate Editor, Macworld

Serenity has been writing and talking and tinkering with Apple products since she was old enough to double-click. In her spare time, she sketches, writes, acts, sings, and wears an assortment of hats.

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Troubleshoot Apple's Touch ID fingerprint reader

Having problems getting your iPhone 5s to recognize your fingerprint and unlock your phone? Here are some common scanning problems and our solutions.

FiftyThree Pencil review: iPad stylus is nifty, but niche

FiftyThree's Pencil stylus is billed as a hardware companion to the company's Paper app for the iPad; it's a nifty little pen, but implementation bugs and odd mapping make it fall short of true greatness.

Wacom Cintiq Companion Hybrid review: Android graphic tablet tries to do too much

The Hybrid may be the perfect multi-touch pen tablet, despite its bulk. But if you rely on smaller gadgets for the road, you may be disappointed.

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How to add your PDFs to iBooks and organize them

OS X Mavericks' new iBooks app lets you store and read ebooks purchased from the iBookstore or elsewhere. But that's not all it can do: you can also keep PDFs in iBooks and organize them to your liking...with some limitations.

iPad stylus buying guide: Find the perfect tablet accessory

We've spent months looking at dozens of styluses with all forms, shapes, and nib tips. Here are our top 2013 picks for a great writing, sketching, drawing, or painting stylus.

iMovie for iOS 2 review: Updated video app slow-mos its way to greatness

iMovie for iOS gets an overhaul for Appleā€™s new mobile OS, featuring new options for controlling audio and video.

Paper developer FiftyThree enters the stylus fray with Pencil

As we head into the holidays, a new challenger has entered the Bluetooth stylus ring: app-maker FiftyThree's new device, Pencil. Despite its outward similarities, Pencil aims to do things a bit differently than its competitors.

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Coffitivity review: Simple utility brings the feel of a coffee shop to your home office

Hate working in silence? Coffitivity brings the ambiance of your favorite coffee shop to your office to help you be more productive.

iMovie 10 review: A lot to like, a few quibbles

The new version of iMovie is a great tool for families, kids, and budding filmmakers, though it's still missing a few features we'd like to see. Intermediate-to-advanced filmmakers looking to max out iMovie might be better off upgrading to Final Cut Pro X, however.

Jot Script review: Adonit's first pen-nib stylus is an impressive entry

Adonit's new stylus not only defies form-factor expectations, but it also provides one of the best note-taking experiences on the iPad.

iMovie for iOS projects no longer work on the Mac (for now)

By and large, I quite like iMovie's new look and feel -- but in Apple's revamp of the application, it's lost one of its more-favored features: importing projects between iOS and the Mac. In addition, older Macs may not be able to run the new version of iMovie at all, due to outdated video cards.

Hands-on: iMovie for Mac and iOS

Apple's consumer filmmaking software, iMovie, has gotten its fair share of both praise and scorn over the years; while the company's newest version isn't perfect, there's plenty to like about it.

OS X Server for Mavericks is now available, though not free

Apple went on a bit of a "free" kick Tuesday, labeling everything from its operating system down to minor apps with the price tag. But there are still some things the Cupertino company is willing to charge for: OS X Mavericks Server, released Tuesday evening, is one of them.

What you need to know about Apple's free apps policy

Apple made waves during Tuesday's media event when the company announced that its iLife and iWork suite would be free for customers who buy a new Mac or iOS device. But the apps are also free for users who already have the apps installed, and one app is free, period. Here's our guide to demystifying Apple's new pricing structure on its iLife and iWork apps.

iOS 7.0.3 is released with fixes for iMessage, accelerometer bugs

If other recent Apple announcements weren't enough to get your head in a spin, Apple has pushed iOS 7.0.3 to iOS devices everywhere. The update adds support for iCloud Keychain and should provide two big fixes: both to the accelerometer calibration issue some users were seeing and recent iMessage bugs.