Link from TerryP’s blog

I think this is why I have so much fun working on PlannerMode. I have
a clearly-defined set of users in mind (mostly the mailing list) and I
love threshing out interfaces and features with them. It’s not a
large-scale application and it certainly doesn’t appeal to the masses,
but it can be quite powerful when you get the hang of it.

Hey, Emacs is like that too. =)

Open source supports situated software very well, as you can tweak
something existing in order to fit your needs.

By the way, the author taught a class called Social Software.

Must forward to Dr. Rodrigo. This is her kind of thing.

Shirky: Situated Software