Jim answers questions from fellow Drillers (More questions with answers here , Work Overview here , Index of concepts here ) Topic Overview Hi again folks, Jim Novo here. There’s always two questions about the topic of Lifetime Value – how do you quanitify value, and how long is / how do you measure / decide what a Lifetime is? For now we’ll leave the value question unanswered, because a lot of that depends on company culture and what question you are trying to answer. Plus, it depends on how you measuree a Lifetime. So let’s do the Lifetime thing first, shall we? To the Drillin’… Q:   First of all thanks for an excellent web site – I often visit it to learn and / or get inspiration in my work. A:   Thanks for the kind words! Q:   Anyway, I work in a telco retention department and I’m trying to calculate a true and fair value for customer life time answering the question : “How long do we on average have a customer?”. A:   A both noble and useful pursuit!…