My blog post on Monday about privacy and DRM was read by some as suggesting that we abandon any and all notions of privacy over night. That was not the point I was trying to make so let me try again, this time with an analogy. We secure our homes by closing and (generally) locking the front door. That serves as a demarcation and keeps out a completely opportunistic thief. It does not, however, prevent anybody even remotely determined from entering. For that we rely on some combination of soci...