Historically, Stankey has said to "follow the capital" to keep yourself employed long term. you'll need insight into where the new hot areas are going to be for the following 3 years. The executive teams produce a roadmap and that's been relatively stable from a priority perspective. Get in on the early phases and get out before it fails or needs to cut to profit. There are departments that will always exist, like finance, HR, security and Network, but they all go through leadership changes. CSO is an example where they had some connected leadership but when leadership started cleaning house, CSO had issues and they cleaned house brought in new people. ABS was very much the same. Bottom line is that no department is really going to be safe for T, they are back into the buying other companies to continue the layoff machine. It'll get more difficult as satellites and T-Mobile continue to eat up the growth. FirstNet was protected for a while but that's a maturing business unit.