Part of Experience Prototyping Fall 2011
There are many free blog services, each with their own knacks, looks and possibilities. Have a look around and see what fits you best.
If you find an awsome one, add it to the list with a few words of what you think of it, why you choose it.
Pong played by audience, Loren Carpenter 1991 (!)
the actual game starts at 2min39
illustrating the concept of emergent behavior:
the stunning ondulations of birds (starlings) flying in flock, called a murmuration