It is encouraging to hear too that Google is not that miserly with their hardware, since all data migrated over would not take up residence in your current storage quota on Drive. How does the data migration work? For starters, Google will kick it off by creating a couple of files, where the first of the two would be accessible and viewable only by the individual user of said account, where it happens to be a snapshot of the entirety of said user’s public and private posts on Google Buzz. As for the second file, it will be publicly available, and will also pop up in Google search results in addition to a person’s Google+ profile