--- a/handouts/ho07.tex	Thu Nov 05 02:11:13 2015 +0000
+++ b/handouts/ho07.tex	Thu Nov 05 03:57:27 2015 +0000
@@ -3,7 +3,7 @@
 \usepackage{../graphics}
 
 \begin{document}
-\fnote{\copyright{} Christian Urban, 2014}
+\fnote{\copyright{} Christian Urban, 2014, 2015}
 
 \section*{Handout 7 (Privacy)}
 
@@ -36,7 +36,7 @@
 print (or better the link ``About us'') reveals they set up
 their organisation so that they can also shamelessly sell the
 email addresses they ``harvest''. Everything is of course very
-legal\ldots{}moral?\ldots{}well that is in the eye of the
+legal\ldots{}ethical?\ldots{}well that is in the eye of the
 beholder. See:
 
 \url{http://www.ucas.com/about-us/inside-ucas/advertising-opportunities} 
@@ -119,7 +119,7 @@
 On the other hand I would be very irritated if anybody I do
 not know had a too close look on my private live---it
 shouldn't be anybody's business. The reason is that knowledge
-about my private life usually is used against me. As mentioned
+about my private life can often be used against me. As mentioned
 above, public location data might mean I get robbed. If
 supermarkets build a profile of my shopping habits, they will
 use it to \emph{their} advantage---surely not to \emph{my}
@@ -132,7 +132,10 @@
 history data there is, since recently, a law that allows you
 to check what information is held about you for determining
 your creditworthiness. But this concerns only a very small
-part of the data that is held about me/you.
+part of the data that is held about me/you. Also
+what about cases where data is wrong or outdated (but do we
+need a right-to be forgotten).
+
 
 To see how private matter can lead really to the wrong
 conclusions, take the example of Stephen Hawking: When he was
@@ -253,11 +256,12 @@
       published data. He was left with data that included all
       ``special'' DNA-markers of the individuals present in
       the original mixture. He essentially deleted the
-      ``background noise'' in the published data. The
-      problem with DNA data is that it is of such a high
-      resolution that even if the mixture contained maybe 100
-      individuals, you can now detect whether an individual
-      was included in the mixture or not.
+      ``background noise'' in the published data. The problem
+      with DNA data is that it is of such a high resolution
+      that even if the mixture contained maybe 100
+      individuals, you can with current technology detect
+      whether an individual was included in the mixture or
+      not.
       
       This result changed completely how DNA data is nowadays
       published for research purposes. After the success of 
@@ -342,9 +346,9 @@
 of Information Law the taxicab dataset of New York and someone
 else showed how easy it is to mine for private information: 
 
-\begin{center}
-\begin{tabular}{p{0.8\textwidth}}
-\url{http://chriswhong.com/open-data/foil_nyc_taxi/}\\
+\begin{center}\small
+\begin{tabular}{p{0.78\textwidth}}
+\url{http://chriswhong.com/open-data/foil_nyc_taxi/}\smallskip\\
 \url{http://research.neustar.biz/2014/09/15/riding-with-the-stars-passenger-privacy-in-the-nyc-taxicab-dataset}
 \end{tabular}
 \end{center}
@@ -359,7 +363,7 @@
 \end{center}
 
 \noindent An article that analyses privacy and shopping habits 
-from a more economic point is available from:
+from a more economic point of view is available from:
 
 \begin{center}
 \url{http://www.dtc.umn.edu/~odlyzko/doc/privacy.economics.pdf}