Well, there are function points/LOC. I guess you don't want to go only on voting records either. But they are important. Unquantifiables are important too.
It was meant to be a lighted joke about how so many people are proposing ways to fix twitter it reminds me of slashdot a few years ago where people were trying to fix spam and they started responding to each suggestion with a list of flaws with Xs next to the ones that applied in that case. I'm not making a point about erlang, i dont really know anything about erlang, but maybe i touched a nerve so i apologise.
Coincidentally, I've been working on something extremely similar the past week, though my project has a twist that I think Twitterers are going to enjoy. I'm going out of town for a few days, but hopefully I'll be able to release early next week. And it's in Django.
I can't log in again after having logged out. If I am putting in the wrong password it is not notifying me in anyway. It just takes me back to the public timeline. There is no way to retrieve the password.