Because it is not worth that much. The whole idea is stupid. If he sold his Twitter then it is no longer HIS Twitter and no one would give a shit to follow it (which they shouldn't in the first place anyway, but people are retarded).
Romney sucks so much ass that I don't care anymore. I'm throwing my vote away voting third party. I'm sick of this 2-party bullshit that constantly gives mediocre-to-terrible candidates. Go Gary Johnson 2012.
http://www.knowledgeorb.com/2012/07/mars-science-lab-curiosity-worth-cost/
There are many other goverment programs that should be cut before NASA, in my opinion.
Edit: Or that ^
Run a web app created with Excel. You can hook up a BCL scanner to the PC terminal, and have drop-down selections for condition, maybe a free entry for notes or explanation of condition. Date and time will be automatic.
These but in +P. I shot one into water jugs and the expanded bullet is terrifying.
Edit: Didn't realize this was a for sale thread. HSTs are just as awesome.