Modern machine learning methods have been around for more than 10 years, but now there is a trend to add machine learning to a wider range of applications including medicine, agriculture, and even IoT devices.
Cloud Firestore has some changes from Firebase and this Android tutorial explains reading, writing, updating, and deleting data with Cloud Firestore.
TensorFlow is a Machine Learning cross-platform that has started to be adopted widely worldwide. It was released by Google in 2015 and now TensorFlow 2.0 Alpha is available.
Google Cloud has taken significant steps in delivering solutions where the supporting infrastructure is automatically managed. Google has launched Cloud Run.