TechSpot published A few weeks with the Android N Developer Preview
A quote from the article:
For a few weeks now, the Android N Developer Preview (http://www.techspot.com/news/64183-tested-android-n-developer-preview-nexus-6p.html) has been available for anyone to install on their Nexus devices. With a collection of new features to be previewed, I decided to push the OTA update to my Nexus 6P and use it as my daily driver for a few weeks to see how these improvements affect everyday use.A few weeks with the Android N Developer Preview @ TechSpot