http://arstechnica.com/apple/2014/10/os-x-10-10/
http://www.macworld.com/article/2363162/hands-on-with-os-x-yosemite-design-changes.html
http://www.techradar.com/reviews/pc-mac/software/operating-systems/os-x-10-10-yosemite-1258661/review
http://www.theverge.com/2014/10/16/6974157/mac-os-x-10-10-yosemite-review
http://www.engadget.com/2014/10/16/os-x-yosemite-review/
http://www.macworld.co.uk/review/mac-software/yosemite-vs-mavericks-mac-os-x-3580644/
http://www.imore.com/os-x-yosemite-review