Blog post isn't up yet, but you can get the factory images here: https://developer.android.com/preview/download https://developer.android.com/preview/download.

Blog post isn't up yet, but you can get the factory images here: https://developer.android.com/preview/download https://developer.android.com/preview/download. Sign up for the OTA should be here: https://g.co/androidbeta https://g.co/androidbeta when Google decides to update everything.