In a chapter excerpted from a book on WordPress, Kirk Biglione offers a nice rundown of the costs of DRM, to readers, to publishers, to retailers, and to the world at large. It’s especially apropos, given that 4 May 2012 is the fourth annual “Day Against DRM.” follow link
Find Your Mac's Serial Number
Want to check your Mac's serial number quickly and easily? Select About This Mac from the Apple menu, and click on the text directly below "Mac OS X" that reads "Version 10.x.x." Click once and you'll get a build number which is more specific information about the software. Click twice, and you'll get your Mac's serial number.
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Analyzing the Business Case for DRM