Not... really? I can't open it with a local application. At least, not until someone (not me, no time) creates a local application which interacts with Google

Not... really? I can't open it with a local application. At least, not until someone (not me, no time) creates a local application which interacts with Google Docs via this API.' In the mean time, I'll continue to use .docx, since Google docs can export and import form this format.