If sound is muted for YouTube videos in Chrome, you may need to Allow sound. In some cases, it may have been added to the list of blocked sites. In my case, sound didn’t work, but it was on neither list. I added it to the “Allowed” list (using [*].youtube.com, and it works.
I got this via e-mail alert from Barkly and thence to Bleeping Computer. Here’s the takeaway: What everyone should take away from this is that if you see a popup on a page stating that you need to download a Chrome Font Pack, you should immediately close the browser and not visit the site again….
… by creating an operating system based on their Chrome browser, which would be great for all of us, I think. Details here (MSNBC.com).