We only store the essential information about your Google Analytics. That includes and is limited to: Google OAuth authorization credentials, accounts, properties and views.
We only temporarily store the information that is being fetched on-demand. That includes website visits, sessions etc. The information we store temporarily is being destroyed as soon as your session expires or you log out.
We permanently store the information about the feeds you make while you use the application. This includes the query to fetch the data, but not the data itself.
We permanently store the name of the company you add to favorites or you are commenting about.