Manage Add-ons in Firefox 4

Manage Add-ons in Firefox 4: "Firefox 4 has several new features that weren’t available in previous versions of the browser. The new Add-ons Manager makes it faster and easier to find and install add-ons in Firefox 4. Firefox offers thousands of add-ons, including extensions, themes and Personas that can enhance your browsing experience. All the add-ons are free, but you can make an optional donation if you like."

How to Create and Use Three-Dimensional Spreadsheets In Excel 2010

How to Create and Use Three-Dimensional Spreadsheets In Excel 2010: "For the most part, most people think of a spreadsheet as a two dimensional object, because there are rows and columns, and that’s pretty much it; but spreadsheets can also be created that have a third dimension by using tabs, like this:"

50+ Tools & Techniques to Remove Image Backgrounds in Photoshop, pt 3 - How-To Geek

50+ Tools & Techniques to Remove Image Backgrounds in Photoshop, pt 3 - How-To Geek: "We’re completing the 50+ Tools and Techniques today with this final installment. Read about advanced selection and masking tools, as well as some stupid graphics geek tricks, and ways to fake removing a background in seconds."