Thanks, blackbird!
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I switched to Chrome last night because Firefox has been wonky lately -- hanging up and giving me the spinning beach ball every time I click on something. I had read that Chrome is a more stripped-down browser that runs faster and it seems to be true. Also, I found that in Chrome the YouTube video is watchable in the editing box on Typepad; in Firefox the video was just a blank yellow box with the Flash logo in the center. To see the actual video I had to go to Preview. I think I like Chrome :)
That's your free tech tip of the year -- don't spend it all in one place.