In the face of nefarious agencies and companies that track, I don't think there's a 'best' option to switch to, per se, only a harder (to be tracked) option. Tracking, in my belief, still goes on, in one way or another.

So what are we left with? Trying as hard as possible to use online services for work (assuming that's your bread and butter) and to be in the real world for leisure, etc. Not always possible, and less possible as the years go on, but a lot better than thinking one (popular) online service will be a safe haven from another.