On the other hand, the additional tools in the Omnibar (calculator is the example most should be familiar with) makes the bar incredibly useful for random daily tasks. Also, it seems that there is an "omnibox" API that extensions can use, which allows them to add their own tools to the omnibar/omnibox. Would be interesting as a form of "assistant" in a way.
I'm fairly certain I've caught Firefox doing something similar (regularly sending multiple tens of MB to Google servers in the background.)
And, of course, Firefox is open source and this wouldn’t be kept a secret.
I've read all the Mozilla help pages about what automatic connections Firefox makes and it wasn't accounted for there (unless possibly something to do with SafeBrowsing.)
Citation needed... (I'm talking about the page *content*, not the metadata like url and title)
I wonder if the EU could fine them a couple weeks of revenue for this. Seems illegal.