On Thu, May 19, 2011 at 8:31 AM, Andreas Orphanides
<[log in to unmask]> wrote:
> - As Graham says, there's a sunk-cost issue: you're going to prioritize the stuff you paid for over free stuff since you've already invested resources in it.

Everybody who believes in sunk-cost should learn to play Go, the
ancient japanese game. One of the things that you learn playing Go is
to let go (pun intended) of resources already spent unwisely when
there are better courses of action.

Wikipedia has a good introductory article on the subjec "Escalation of
commitment":

http://en.wikipedia.org/wiki/Escalation_of_commitment
-- 
Luciano Ramalho
programador repentista || stand-up programmer
Twitter: @luciano