Simulation has a lot to do with computer coding, computer games, etc. Due to the use of how much computers are used in this day and age, simulations can be used even for homeschoolers in whom do school online.
Participants in open source community projects get experience and make connections with other professionals that can be valuable resources during a job hunt.
True, as long as the application is a cloud-based spreadsheet (like Google Docs or MS Office 365), which allows multiple users in any location to view or edit the data with proper access permissions.