Schedule Data Refresh is a new feature in Power BI to allow users to refresh data sources in Power Pivot at a defined time or on demand.
Myth Busting Driver Fatalities using Power BI
How to connect GeoFlow to SQL Server database and Tabular Model for millions of rows. This article includes sample workbooks.
Upgrading Excel 2010 workbook with PowerPivot to Excel 2013. Sample workbook used is courtesy of Jason Thomas.
A review of DAX Studio, a simple, yet powerful Excel Add-In for PowerPivot and Tabular Model developer