Keir ThomasMacworld U.K.

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Keir has edited several PC and Linux magazines but these days prefers to write about Macs, iPads and iPhones. He's the author of several books, including two editions of Mac Kung Fu and also iPad and iPhone Kung Fu.

Change Expose highlight color

If the default blue that outlines selected windows in Exposé is too hard to see, you can change it something more visible like yellow or white.

Google Docs secrets: 20 power tips

We’ve taken an extended look under the hood of Google Docs and uncovered 20 tips for getting more done by exploring some of the less obvious features in its word processor, spreadsheet, and presentation software—with a few hints for Gmail, too.