The "Microsoft's dead" theme is so old and yet the company is so profitable that it is easy to think the company has some way of walking off a cliff without falling.

However, if these Chromebooks are less than half the price of their PC and Mac competitors and offer comparable performance, it could be that the "free" OS model is finally going to disrupt the corporate market.

If this happens, like the cartoon character, things could change very rapidly and Satya Nadella will have inherited a poisoned chalice.