How to integrate with google Calendar?

Now that Google Inbox is announced, can we say that Google Now, Keep, Calendar, Reminders and Tasks will integrate for real in the future?

• Answer:

  Not integrate integrate, like all functionality in one application. But work together to make our lives easier, just as they do now, but seamlessly updating information and providing update. They also announced a new calender app which is to be released as of yet. But looks amazing. Google is not working to make one app to satisfy all needs and demands. It is rather creating quality applications which work for a specific purpose and Google now will be the one thing where all of the information about our daily lives, interests, searches, etc will come together. In my opinion, this vision is to make the Google mobile OS - Android better in functionality and make it easier for users to get used to and even harder to leave.