Finnie also served on the editorial staffs of ZDNet, PC/Computing, InformationWeek/TechWeb and Windows Magazine. He has written articles for numerous other publications, including CIO, CSO, DevOps.com, Security Boulevard, CFO, CNET, PC World, PC Magazine, Popular Mechanics, Popular Science and many others.
Finnie authored a book on Windows 95 (The Underground Guide to Windows 95, Addison-Wesley, 1996).
In 2006, fed up with Windows Vista, he embarked on a three-month full-immersion test of Apple's Macintosh and surprised himself by not switching back to Windows. In 2014, Finnie admitted Windows 10 into his computing environment, alongside the Mac, to get the best experience with Dragon speech-recognition software.