I had one such aha insight about why FriendFeed is so frikkin awesome in its simplicity, and a better understanding of how a certain UI choice can influence user behavior (in this case mine!)
Mental note: Learn some more about Friendfeed!
"Aha" moment explanation to come later. I feel its going to turn into one of my amatuer-ish clearly-just-out-of-bschool ramblings, and I don't have the time for that right now. :)
But here's the video that got me started on that: