Update README.md

Author: fredsa

README.md

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+**November 6, 2019 update**
+
+There's a new open source [Cardboard SDK](//developers.google.com/cardboard) for
+iOS and Android NDK that offers a streamlined API, improved device
+compatibility, and built-in viewer profile QR code scanning.
+
+
+**October 15, 2019 update**
+
+The [Daydream View](//arvr.google.com/daydream/smartphonevr/) VR headset is no
+longer available for purchase. However, you can continue to use this SDK to
+update and [distribute](//developers.google.com/vr/distribute/daydream/) your
+apps to the Google Play Store, and make them available to users in the
+[Daydream](//play.google.com/store/apps/details?id=com.google.android.vr.home)
+app.
+
+
 # Google VR SDK for Unity
 
 Use Unity to build virtual reality apps for Android and iOS.