Ask HN: Good executive summary resources for modern cloud computing?

What is taken for granted by many here continues to allude some industry higher-ups. What are some resources today (literature or other media) that conveys, in many but not all cases, cloud-based products offer a strategic advantage?

There is a lot of marketing material and executive summaries that span two pages with headers taking the majority of the space leaving people grasping at abstract words rather than bottom-line understanding.