[tomnipotent]

> The major cause for the failure of the macbook was a lack of power efficiency

In what world or category did the Macbook fail? It's consistently top selling and top rated.

[wtallis]

I think he's referring specifically to the most recent machine branded simply MacBook, with no Air or Pro suffix. That was a 12" fanless notebook introduced in 2015, a few years before the MacBook Air got a Retina Display upgrade.