It is a shift that even the industry itself failed to properly predict. Buyers, accustomed to purchasing based on deep knowledge of the platforms and hardware supporting their applications, became much more interested in focusing on outcomes than the bits and bytes.
Businesses across all industries would in the past have grilled their vendors on very particular details and even insisted on specific hardware configurations. Vendors, as a result, had built huge businesses around selling a vast array of hardware.
A selection of my writing.