[cloudwalking]

If you don't want to be tracked and you don't want to use Google+, stop using Google products.

Google does not sell data to anybody. They sell advertising slots.

[fallingup]

You're still tracked if you don't use Google products.

[adrianlmm]

Is not as easy to scape, they keep tracking you with cookies, with Google analitics and with whatever they can use it, they have all figured out.