┏━╸╻╺┳╸   ┏┓ ┏━┓┏━┓╻┏━╸┏━┓
              ┃╺┓┃ ┃    ┣┻┓┣━┫┗━┓┃┃  ┗━┓
              ┗━┛╹ ╹    ┗━┛╹ ╹┗━┛╹┗━╸┗━┛



            - _distributed_ version control
            - staging area
              - git add, git reset, etc. instead of only commiting
            - branching
              - "killer feature"
            - content-addressable filesystem