Half or more of those extensions listed in that thread would not be on my list. For Firefox 29, my 1st 2 extensions would be Adblock Plus and Classic Theme Restorer (to restore my UI preferences).
Every time one of these lists gets started, if you installed everything that everyone listed, you'd have 200 extensions or something it seems. I suppose they give you a sampling of what is out there and available.
Here's my installation: »
www.markheadrick.com/fir ··· ig.shtml I am sure that some of the extensions I use, 95% of the folks out there do not.
Many of them I leave disabled until I need them for a specific purpose.