Liz Rykert's Electronic Strategy Development Primer.
In any on-line effort, there are essentially three things that you can do:
Best Start's Provincial Alcohol and Pregnancy Campaign:
Teennet's Smoking Zine (contrast with Stupid.ca or Philip Morris).
Prescribing Prevention (available February 11 or thereabouts)
Apolnet shared events calendar
Here's one decent plain language explanation of RSS and why it's interesting.
See CBC's feeds page for an example.
I use an aggregator called Sage, but there is an extensive list of other options on Wikipedia
Oxford University Press' journals, for one example
Yahoo Groups (free, but check privacy policy)
Web Networks (pay)
photo pages from the Parkdale Tenants' Association's Golden Cockroach Award contender buildings