 Choosing and specializing in a domain is going to help you get promoted faster and make a lot more money in the long run. But let me explain why. Take for example, you have two different people. You have John and you have Sally. Now John is just a general data analyst. He's been working for five years at various companies. And he really just works with anything in anybody. He doesn't specialize in anything. Sally, on the other hand, has also been working for five years, but she's been specializing in healthcare. Well, John and Sally are trying to become a senior data analyst at this healthcare analytics company. And of course, John isn't going to get the job over Sally because Sally has a lot of domain knowledge. Now he might think that's unfair because Sally specialized in healthcare. So of course she's going to get the job, but that's the point. It could be any domain, anything that John is trying to apply for, there's going to be a Sally in that position trying to get that job. John and Sally's technical skills may be the exact same, but Sally has a lot more experience in that field. And really, when you get to the lead analyst roles and the senior level roles, they're going to carry a lot more about all the in depth knowledge that you have in their domain.