Connecting to Excel workbooks in OneDrive is a great first step, but connectivity to Google Sheets should be there too.
Don't have any votes left but yes, please do this. In fact I'd go further, let us share to anyone with an email address. OneDrive allows this for Office documents, please do the same for Power BI dashboards. Also consider in conjunction with this: http://support.powerbi.com/forums/265200-power-bi/suggestions/7259274-view-pbix-files-on-onedrive-onedrive-4-business
