Did NSA news change our behavior? Danny Sullivan does a great analysis. Love Duck Duck Go, though. One problem with being private, though, is Google Now works better when you do all your searches on Google. Ahh, in the age of context we will be incentivized to let it all hang out.
So, you have a choice: don't be tracked or have cool features work properly. Me? I just let it all hang out. How about you?