Sets the Content-Type to application/json or multipart/form-data. The default Content-Type is application/json, which tells the server that the request body contains JSON data. Sets the Authorization header to protect your API and user data. For Sign Up, youâre setting a HTTP Basic Authentication header.
What information does Google hold on me? You can check what information is held about you under the Personal Info & privacy tab in the central column (circled), where all data including your email address, phone number, search history and settings are stored.
Google Earth collects data from a variety of satellite imaging companies, pretty much catch-as-catch-can; high resolution scans of a given area appear as (and after) someone paid one or more of those companies to scan that area, and the data is also made available to Google.