[$] Why kernel development still uses email
In a world full of fancy development tools and sites, the kernel project's
dependence on email and mailing lists can seem quaintly dated, if not
positively prehistoric. But, as Greg Kroah-Hartman pointed out in a Kernel
Recipes talk titled "Patches carved into stone tablets", there are some
good reasons for the kernel community's choices. Rather than being a
holdover from an older era, email remains the best way to manage a project
as large as the kernel.