How is the $2008$ study by Brynjolfsson and McAfee different from previous studies? How is it the same?

Question $3$ options:

It directly contradicts Michael Porter's five forces model, however it supports competitive strategies obtain through the use of IS$.$

The $2008$ study shows that businesses who were late adopters of information systems, often times were more productive than early adopters. This also supported the argument that information systems are a commodity.

None of the above

It is different because it shows that IT can bring a competitive advantage, given the right conditions. It is the same in the sense that it shows that IT$,$ by itself, does not bring competitive advantage.