labour -> labor per W3C manual of style US spelling (#429)

Use US spelling of "labor" instead of "labour', per the W3C Manual of Style: https://www.w3.org/Guide/manual-of-style/#Spelling

Co-authored-by: Jeffrey Yasskin <[email protected]>

index.html

@@ -775,7 +775,7 @@
 
 When deployed thoughtfully, these mechanisms can improve [=people=]'s [=autonomy=]. Often,
 however, they are used as a way to avoid putting in the difficult work of deciding which
-types of [=processing=] are [=appropriate=] and which are not, offloading [=privacy labour=]
+types of [=processing=] are [=appropriate=] and which are not, offloading [=privacy labor=]
 to the people using a system.
 
 [=People=] should be able to [=consent=] to data sharing that would
@@ -817,21 +817,21 @@
 for the scale of processing implied by web systems), and experience with existing systems
 shows that they make it hard for [=people=] to exercise their rights.
 
-### Privacy Labour {#privacy-labour}
+### Privacy Labor {#privacy-labor}
 
-<dfn data-lt="privacy labor|labour|labor">Privacy labour</dfn> is the practice of having a [=person=] do
+<dfn data-lt="labor">Privacy labor</dfn> is the practice of having a [=person=] do
 the work of ensuring [=data processing=] of which they are the subject or recipient is
 [=appropriate=], instead of putting the responsibility on the [=actors=] who are doing the processing.
 Data systems that are based on asking [=people=] for their [=consent=] tend to increase
-[=privacy labour=].
+[=privacy labor=].
 
-More generally, implementations of [=privacy=] often offload [=labour=] to [=people=]. This is
+More generally, implementations of [=privacy=] often offload [=labor=] to [=people=]. This is
 notably true of the regimes descended from the <dfn data-lt="FIPs">Fair Information Practices</dfn>
 ([=FIPs=]), a loose set of principles initially elaborated in the 1970s in support of individual
 [=autonomy=] in the face of growing concerns with databases. The [=FIPs=] generally assume that
 there is sufficiently little [=data processing=] taking place that any [=person=] will be able to
 carry out sufficient diligence to be [=autonomous=] in their decision-making. Since they offload
-the [=privacy labour=] to people and assume perfect, unlimited [=autonomy=], the [=FIPs=] do not
+the [=privacy labor=] to people and assume perfect, unlimited [=autonomy=], the [=FIPs=] do not
 forbid specific types of [=data processing=] but only place them under different procedural
 requirements. This approach is no longer [=appropriate=].
 
@@ -1752,7 +1752,7 @@
 These forms might be governmental bodies at various administrative levels, standards
 organisations, worker bargaining units, or civil society fora.
 Even though collective decision-making can be better than offloading
-[=privacy labour=] to [=individuals=], it is not a panacea.
+[=privacy labor=] to [=individuals=], it is not a panacea.
 Decision-making bodies need to be designed carefully,
 for example using the <a data-cite="IAD#">Institutional Analysis and Development framework</a>.
 
@@ -1986,7 +1986,7 @@
 </div>
 
 Attempts to obtain consent to [=processing=] that is not in accordance with the person's
-true preferences result in imposing unwanted [=privacy labour=] on the person, and may
+true preferences result in imposing unwanted [=privacy labor=] on the person, and may
 result in people erroneously giving consent that they regret later.
 
 An [=actor=] should not prompt a [=person=] for consent if the