“IP is almost arbitrary unless the ISP is giving up info. “
The ISP is giving up the info and IP allocation is hardly arbitrary. There is no obscurity with the amount of resources they have available.
There are only 314 million people in the US and about 245 million of them use the internet. That is a relatively simple number of unique identities to track.
Not perfect but it's something for Mozilla maybe IE. And it's free.
security through obscurity. Its the only way these days. Don’t leave a discernible pattern to identify yourself.
If FR wants to get into the fray, force 2048 bit https traffic only; might not do much overall to “stop” the eves dropping, but wouldn’t make it easy either.
Really doesn’t matter however, so many of us and our habits are easily tracked simply by the cell phones in our pockets anyway. As others have pointed out, the Internet does not forget. And as you point out, information is gladly given up by companies. The correlation was already “made” and was done so a while ago. Our locations are easy at this point by cell tower alone.
You’ve been around long enough, sure you know of echelon. Its only gotten bigger and badder.
Security through obscurity is pretty much the best chance at this point. That or just unplug.