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--- a/hws/hw02.tex	Tue Oct 03 20:10:54 2017 +0100
+++ b/hws/hw02.tex	Tue Oct 03 22:43:03 2017 +0100
@@ -42,7 +42,7 @@
       customer does a sit-up, how far she runs -- or when he
       or she has skipped the gym for a few days. For `good'
       customers there will be a discount in their premiums.
-      Why is this a problem?
+      Why is this way of deciding about a discount problematic?
 
 
 \item Voice voting is the method of casting a vote in the `open air'
@@ -97,6 +97,28 @@
   voting system, which is prevented in traditional elections with
   paper-based ballots?
 
+\item Voter registration can help\ldots\\
+  Check all that apply and give a brief explanation for your
+  decision in each case.
+
+\begin{itemize}
+\item[$\Box$] poll workers count votes faster
+\item[$\Box$] prevent chain voting
+\item[$\Box$] prevent voters from voting multiple times
+\item[$\Box$] prevent ineligible people from voting
+\end{itemize}
+
+\item What are some advantages of requiring voters to provide a photo
+  identification (drivers license, passport) in order to vote?\\
+Check all that apply and give a brief explanation when an answer applies.
+
+  
+\begin{itemize}
+\item[$\Box$] Helps to reduce voter fraud, such as voting under a false name
+\item[$\Box$] Helps to thwart chain voting attacks
+\item[$\Box$] Helps protect ballot secrecy
+\end{itemize}
+
 \item \POSTSCRIPT
 \end{enumerate}
 

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--- a/style.sty	Tue Oct 03 20:10:54 2017 +0100
+++ b/style.sty	Tue Oct 03 22:43:03 2017 +0100
@@ -42,7 +42,8 @@
 
 \newcommand{\HEADER}{{\bf Please submit your solutions to the
 email address 7ccsmsen at gmail dot com. Please submit only one
-homework per email. Please also submit only
+homework per email. Work in pairs and submit a \underline{single}
+solution! CC the email to your partner. Please also submit only
 ASCII text or PDFs (no .docs etc). Every solution should be preceded by the
 corresponding question, like:
 
@@ -56,8 +57,7 @@
 \end{center}
 
 \noindent Solutions will only be accepted until
-20th December! Submit with your partner a \underline{single} solution!}\bigskip}
-
+20th December!}} 
 \newcommand{\POSTSCRIPT}{
 {\bf (Optional)} This question is for you to provide 
 regular feedback to me, for example