== Kragen's Notes:
Improve these! :)

There's a historically great hack that we haven't yet applied to
open-source software.

== CONFLICT

For goods which can be shared at no resource cost, there's a conflict
between producers and sharers.  If producers of these goods have no
ability to constrain the usage of them, it's hard to get paid; but
there are also problems if the producers have the total ability to
constrain sharing.  Consequently I have produced less open-source
software in the last five years than in the five years before that,
since two small children depend on me for their survival and take a
lot of my time.

== GREAT HACK

But this is not a new problem; there was a remarkable hack invented in
the medieval period, the version of which that has most improved my
life is the version in the US Constitution: the time-limited monopoly.

If we graph total social value against the term of the monopoly, we
can assert that it is convex downwards: the value is small when the
monopoly is of zero length, but it is also small when the monopoly is
of infinite length.

If someone is building on top of BSD-licensed software, they may
choose to open-source their extension, or they may choose to retain
their monopoly infinitely.

== APPLICATION

If we take this historically great hack and we combine it with the
transitive requirements we're familiar with from open-source software,
...