9. GNU AGPLv3 Sec.13
Notwithstanding any other provision of this
License, if you modify the Program, your modified
version must prominently offer all users
interacting with it remotely through a computer
network (if your version supports such interaction)
an opportunity to receive the Corresponding
Source of your version by providing access to the
Corresponding Source from a network server at
no charge, through some standard or customary
means of facilitating copying of software.