"Are you slowly indexing terms that people have 'voted' for by searching?"
Actually no, but we do direct our crawl to places where we expect to find the most data.
"I also noticed that searching for Hitler pegged one article in 2015."
If you click on the highest detail level you can see that this is a legitimate event. The copyright of "Mein Kampf" expires in 2015.
"Sudden and significant competition from Google must cut a bit, but there's at least a good chance that it'll just end up as another cool but abandoned (at least from a marketing perspective) Google product."
I have very mixed feelings. It's really too early to say exactly how I feel about it :-/
Actually no, but we do direct our crawl to places where we expect to find the most data.
"I also noticed that searching for Hitler pegged one article in 2015."
If you click on the highest detail level you can see that this is a legitimate event. The copyright of "Mein Kampf" expires in 2015.
"Sudden and significant competition from Google must cut a bit, but there's at least a good chance that it'll just end up as another cool but abandoned (at least from a marketing perspective) Google product."
I have very mixed feelings. It's really too early to say exactly how I feel about it :-/