Create feeds off of tables (RSS and iCal)
Can you imagine you have you're email client synced up with service-now's rss for incidents and you see em that way additionally if the calendars had an ical format most email clients can import that as a calendar and would change with it.
RSS is already available. http://wiki.service-now.com/index.php?title=RSS_Feed_Generator
ICS feeds were tested at Knowledge10 and worked well. We will be releasing them soon. Let me know if you are interested in testing.