-"Well, if we think in terms of the modalities I described in chapter 10, your "
-"privacy was assured because of an inefficient architecture for gathering "
-"data and hence a market constraint (cost) on anyone who wanted to gather "
-"that data. If you were a suspected spy for North Korea, working for the CIA, "
-"no doubt your privacy would not be assured. But that's because the CIA "
-"would (we hope) find it valuable enough to spend the thousands required to "
-"track you. But for most of us (again, we can hope), spying doesn't pay. The "
-"highly inefficient architecture of real space means we all enjoy a fairly "
-"robust amount of privacy. That privacy is guaranteed to us by friction. Not "
-"by law (there is no law protecting \"privacy\" in public places), and in "
-"many places, not by norms (snooping and gossip are just fun), but instead, "
-"by the costs that friction imposes on anyone who would want to spy."
+"Well, if we think in terms of the modalities I described in chapter <xref "
+"xrefstyle=\"select: labelnumber\" linkend=\"property-i\"/>, your privacy was "
+"assured because of an inefficient architecture for gathering data and hence "
+"a market constraint (cost) on anyone who wanted to gather that data. If you "
+"were a suspected spy for North Korea, working for the CIA, no doubt your "
+"privacy would not be assured. But that's because the CIA would (we hope) "
+"find it valuable enough to spend the thousands required to track you. But "
+"for most of us (again, we can hope), spying doesn't pay. The highly "
+"inefficient architecture of real space means we all enjoy a fairly robust "
+"amount of privacy. That privacy is guaranteed to us by friction. Not by law "
+"(there is no law protecting \"privacy\" in public places), and in many "
+"places, not by norms (snooping and gossip are just fun), but instead, by the "
+"costs that friction imposes on anyone who would want to spy."