diff --git a/defense/slides.md b/defense/slides.md
index e446652349851d20b4f01c61e974ec19302d27cb..65c46463adf1f74c46874d013b80ac2b40c49a0b 100644
--- a/defense/slides.md
+++ b/defense/slides.md
@@ -124,6 +124,8 @@ manner.
 
 ## Q1: What is the role of edit filters among existing algorithmic quality-control mechanisms on Wikipedia (bots, semi-automated tools, ORES, humans)?
 
+Consider pasting the comparison table from chapter 4 here
+
 * 1st mechanism activated to control quality (at the beginning of the funnel)
 * historically: faster, by being a direct part of the core software: disallow
   even before publishing
@@ -132,7 +134,6 @@ manner.
 * introduced to take care of obvious but cumbersome to remove vandalism
 * people fed up with bot introduction and development processes (poor quality, no tests, no
   code available for revision in case of problems) (so came up with a new approach)
-* filter allow more easily for collaboration
 * disallow certain types of obvious pervasive (perhaps automated) vandalism directly
 * takes more than a single click to revert
 * human editors can use their time more productively elsewhere
@@ -142,7 +143,7 @@ manner.
 
 ## Q2: Edit filters are a classical rule-based system. Why are they still active today when more sophisticated ML approaches exist?
 
-* introduced before vandalism fighting ML systems came along (verify!); so they
+* introduced before most vandalism fighting ML systems came along; so they
   were there first historically; still work well; don't touch a running system^^
 * a gap was perceived in the existing system which was filled with filters
   * in functionality: disallow cumbersome vandalism from the start
@@ -154,11 +155,14 @@ manner.
 * and easier to work with (easier to add yet another rule than tweak paremeters
   in an obscure ML based approach)
 * allows for finer levels of control than ML: i.e. disallowing specific users
+* filter allow more easily for collaboration
 
 ---
 
 ## Q3: Which type of tasks do filters take over?
 
+[add pics]
+
 * in total most filters are hidden: so implemented with the purpose of taking care of
   cumbersome vandalism by specific malicious users
 * vandalism/good faith/maintenance
@@ -182,6 +186,8 @@ manner.
 
 ## Open Questions / Directions for future studies
 
+maybe just an exceprt here?
+
 - MR is merged: abuse_filter_history table is now available
 
 * How have edit filters's tasks evolved over time? : should be easier to look
@@ -214,6 +220,12 @@ manner.
 
 ## Sum Up: Contributions?
 
+* initial systematic investigation of filters and their role among other mechanisms
+* codebook for classifying filters according to their task
+* openly accessible artefacts: scripts for data analysis, etc.
+* *abuse_filter_history* table
+* questions for future research
+
 ---
 
 ## Current Limitations