Calendar as Filter
Scott Adams blog has the best "thought experiments." It's like a playground for out of the box thinking. This is just one great example.
It's coming...
This made me think of the Whereabouts Clock:
http://research.microsoft.com/en-us/groups/sds/whereabouts_c...
Incredible how the guy can come up with such an idea and decide to post it on his blog between drawing comics. Why not start work immediately?
If Adams is correct, this could be good news for Facebook... or something Facebook-like for families.