They suggest that the business case for HS2 is based on an overly-optimistic prediction of growth in demand for long-distance train travel.

BBC: HS2 compensation to be 'comprehensive'

For instance, PDI could be embedded in a storage appliance used on demand for device data analysis, such as capacity forecasting or failure prediction.

FORBES: Ideas for Solving the 'Data' Problem First, the 'Big' Problem Second: The Pentaho Way