I was topping up my Skype credit a few days ago, when I noticed something interesting in my tab and location bars. Firefox shows the 'favicon' for sites in the tab and location bars, and it seems that when you're on the Skype store, Skype uses a favicon with the regular Skype logo with a padlock next to it. Browsers show a padlock symbol all by themselves (although they're not prominent enough, in my opinion), but this extra touch is really cool.

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