SDL in the real world
An interesting story in The Economist about the success of Rolls Royce in aircraft engines reaffirms the SDL of marketing: all products are service.
The article states that some of RR’s success is due to embracing a model of selling service. For 80% of their clients they no longer sell engines plus a service plan but instead sell hours of propulsion. Thus the engine is simply a part of a service that they sell to airline customers.
The full story is here: