How to Measure the Effectiveness of a Product or Service

So let's saye you've come up with these solutions. The next stage that i would have is around prototyping and testing this particular modelling solution with my customers. Because your model needs to learn from all theall customer observations and feedback that the customers are providing, which goes back as an input into the model. And at the same time, i could also build linear models, or inferential models that can measure the effectiveness of all the existing actions that i am taking to retain my organize, retain talent into my organization. Or i can use this as an experimentation or recommendation tool through which i can test all the new actions that i want to measure for effectiveness in retaining talent.