Someone will get back to you.
No Cnet Videos will run on my Mac, OS 10.9.5 on ANY browser. I've tried Safari, Firefox, Chrome, Opera while logged in to Cnet, then starting at < http://www.cnet.com/videos/ > on MacBook Pro.
Some videos will run on my iPad 4 but the audio and video run out of sync. All other parties videos do sync.
Also your 'Preview Post' doesn't work