Same story in Finland:
they say, a cup of coffee was something around 1.5-2 Finnish marks (before switch to euro),
now it's at least 2€ (http://keskustelu.suomi24.fi/t/10766202/mitahan-se-kahvikupponen).
5-6 times increase...
Advertising != tracking.
I am ok with advertising through duckduckgo.com,
they provide search services without tracking me, and manage to be financially sustainable.
Why should browsers be different, and spy on users?
Simple answer:
discontinued Internet Explorer.
Now users need another software to download a different browser,
and the Mozilla Firefox has heroically taken the place of discontinued IE.
It has always been, and will be - the car analogy!..
This could not go wrong, really (or could it!?).
and the news then continues about "open source software"...
Heuristics are bug ridden by definition. If they didn't have bugs, then they'd be algorithms.