My sense of Twitter is that it's perfectly suited for the fleeting thoughts that rarely made it out of your head, much less onto your blog.
This theory is only supported by the multiple, simultaneous appearances of the Obama Baby concept in the wake of last night's election results.
We'll be monitoring this phenomenon July 4th 2009 and getting back to you.
Obama Babies [search.twitter.com via kottke]
Obama Baby: "A child conceived after Obama was proclaimed President by way of celebratory sex" [urbandictionary.com]