Search: Not Provided: What Remains, Keyword Data Options, the Future
Occam's Razor
OCTOBER 21, 2013
A lot of the keywords I used to add to my campaigns came from the long, long tail I saw in my organic search data (I would take the best performers there and use PPC to get more traffic) and from competitive intelligence research. Please be very careful about what you do with this data (if you can even still access it).
154 
Let's personalize your content