trigger a program, that operates on files pd uses or does basically anything. you could use pd as a replacement for cron. ;)) (but hey, "seriously" again, that would "open a world of possibilites for pd in realms far beyond music".)
or
numberbox | `| mail -s "a number" pd-list@iem.mhsg.ac.at`
or
blabla ... ;) more?
= max + appl evntz
-- ok, in the meantime, point your mp3 players at http://vienna.mp3.at:8000/fmx