Rob GriffithsSenior Contributor, Macworld

Former Macworld Senior Editor Rob Griffiths founded Mac OS X Hints. He's now master of ceremonies at Many Tricks Software.

Four hints about Mail and Spaces

Four hints for the price of one ... learn how to easily switch between open windows of an app across Spaces, how to delete Mail messages without showing a preview of the next, and two tips for working with links in messages in 10.6's Mail app.

Parallels Desktop 5 for Mac arrives

Parallels Desktop 5 for Mac is shipping, including Aero support in Vista and Windows 7, a new Crystal mode for full Windows/Mac OS integration, OpenGL 2.1 acceleration in Windows and Linux, and more.

Create pause-zoom-pause effects in iMovie stills

Learn how to show a still image for some time in your iMovie project, then zoom/crop/move that image, and then pause on the final image again before moving on.

Delete networked files without caution dialog

Learn a timesaving (but potentially dangerous) method of deleting files stored on networked volumes without going through the Finder's "are you sure?" warning dialog.

See icon previews in folder Quick Look windows

Learn how to see a rotating set of icon previews for files within folders in Quick Look mode - perhaps not terribly useful, but visually intriguing

Two more Snow Leopard Expose tips

Learn how to change the Expose All Windows sort order, and how to control whether or not Expose searches across Spaces in Application Windows mode.

ScreenFlow 2

ScreenFlow 2 adds transitions, audio ducking, clip playback speed adjustment, and more to the screen recording and editing suite.

First Look: VMware Fusion 3

VMware Fusion3 brings better overall performance and a number of major new features to the virtualization app. Fusion now supports "Aero" 3D effects in Windows 7 and Vista, improves 3D graphics performance, and includes full Snow Leopard support.

Add notes to events and contacts created with data detectors

Data detectors in Mail in 10.5 and 10.6 can help you create new contacts and events from dates, addresses, and phone numbers. Learn how to automatically associate notes with these new entries.

Find recently-used apps and documents in Snow Leopard

In Snow Leopard, you can use the Recent Items menu to help you quickly find where you saved a recently-used document (or application).

Two ways to download software updates in Snow Leopard

Snow Leopard removed a useful 'download only' option from Software Update. Learn two ways to replace that lost functionality.

See which processes are using the Internet

Use Terminal to see which processes are using your Internet connection

Apple allows in-app purchasing for free App Store apps

Apple is now allowing developers of free App Store programs to include in-app purchasing. This should mean the end of two versions of programs—a free “lite” version and the paid-for full program—as developers can activate additional features with in-app purchasing.

Switch between app windows in different Spaces

Learn another method of switching between application windows for one program, when those windows are open in multiple Spaces

Performance Update fixes a hard drive stalling issue

Performance Update 1.0, released Wednesday, fixes a problem with hard drives stalling in 2009 and late 2008 Macs.