I've said long ago that Google at one point became a new R&D branch of the US military.
Edit: not sure why I'm being downvoted; I worked in that space for 5 years. I've worked with many of the cleared employees of these companies on various projects. It's not a big secret or anything...
On HN: my original comment is almost always resurrected and eventually positive upvotes.
On Reddit: my original comment is buried even faster.
I should test using some controls (maybe post something incorrect) to see if the trend continues. My hypothesis is that HN is just a smaller, more niche and possibly better education group due to the content versus reddit.
Best link I could find on short notice: http://www.extremetech.com/extreme/185570-google-finally-pro...
Every corporation is ab initio a creature of the state.