diff --git a/FrOSCon26/FrOSCon.26.mm b/FrOSCon26/FrOSCon.26.mm
index c7318f7..4835758 100644
--- a/FrOSCon26/FrOSCon.26.mm
+++ b/FrOSCon26/FrOSCon.26.mm
@@ -828,6 +828,7 @@
 <node CREATED="1786157220669" ID="ID_1216413886" MODIFIED="1786157223682" TEXT="a machine"/>
 <node CREATED="1786157227844" ID="ID_1441232205" MODIFIED="1786157230743" TEXT="an engine"/>
 <node CREATED="1786157233475" ID="ID_1884047993" MODIFIED="1786157235601" TEXT="a facility"/>
+<node CREATED="1786380363705" ID="ID_523203878" MODIFIED="1786380364929" TEXT="a facility"/>
 <node CREATED="1786157236863" ID="ID_1483477134" MODIFIED="1786157239686" TEXT="an abstraction">
 <node CREATED="1786157259939" ID="ID_978651768" MODIFIED="1786157268212" TEXT="Def Abstraction (C.S.)">
 <node CREATED="1786157327488" ID="ID_151430733" MODIFIED="1786157331231" TEXT="Wikipedia...."/>
@@ -906,6 +907,10 @@
 <node CREATED="1786209253761" ID="ID_629485216" MODIFIED="1786209258316" TEXT="human perspective"/>
 <node CREATED="1786209259165" ID="ID_1470267389" MODIFIED="1786209267846" TEXT="to put that into perspective...">
 <node CREATED="1786209276951" ID="ID_1586351838" MODIFIED="1786209300679" TEXT="1 clock-cylce  &#x2254; 1sec"/>
+<node CREATED="1786385596426" ID="ID_1778998348" MODIFIED="1786385598101" TEXT="DRAM access &#x2192; 5 minutes"/>
+<node CREATED="1786385847767" ID="ID_1420288927" MODIFIED="1786385849179" TEXT="SSD read &#x2192; 2 days"/>
+<node CREATED="1786385857606" ID="ID_809852326" MODIFIED="1786385940382" TEXT="disk seek &#x2192; 6 months"/>
+<node CREATED="1786385960632" ID="ID_829975895" MODIFIED="1786385962587" TEXT="one frame @ 25 fps &#x2192; 4 years"/>
 </node>
 </node>
 <node CREATED="1786235838071" ID="ID_149312062" MODIFIED="1786235846841" TEXT="architectural challenge">
@@ -951,7 +956,9 @@
   </body>
 </html></richcontent>
 </node>
-<node CREATED="1786242211296" ID="ID_1804746347" MODIFIED="1786242216162" TEXT="Kleinvieh...."/>
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1786242211296" ID="ID_1804746347" MODIFIED="1786413275128" TEXT="Kleinvieh....">
+<icon BUILTIN="flag-yellow"/>
+</node>
 <node CREATED="1786242217560" ID="ID_1208716837" MODIFIED="1786242229913" TEXT="a queue for Submissions"/>
 <node CREATED="1786242230765" ID="ID_120169631" MODIFIED="1786242235257" TEXT="a queue for Completions"/>
 </node>
@@ -994,10 +1001,10 @@
 </node>
 <node CREATED="1786246113057" ID="ID_1523190067" MODIFIED="1786246116003" TEXT="Abstractions">
 <node CREATED="1786246117555" ID="ID_969154444" MODIFIED="1786246121651" TEXT="Barriers / Fences">
-<node CREATED="1786246153449" MODIFIED="1786246153449" TEXT="StoreStore"/>
-<node CREATED="1786246164738" MODIFIED="1786246164738" TEXT="LoadLoad"/>
-<node CREATED="1786246177165" MODIFIED="1786246177165" TEXT="LoadStore"/>
-<node CREATED="1786246190951" MODIFIED="1786246190951" TEXT="StoreLoad"/>
+<node CREATED="1786246153449" ID="ID_1750624298" MODIFIED="1786246153449" TEXT="StoreStore"/>
+<node CREATED="1786246164738" ID="ID_1211999967" MODIFIED="1786246164738" TEXT="LoadLoad"/>
+<node CREATED="1786246177165" ID="ID_1775414678" MODIFIED="1786246177165" TEXT="LoadStore"/>
+<node CREATED="1786246190951" ID="ID_631075013" MODIFIED="1786246190951" TEXT="StoreLoad"/>
 </node>
 <node CREATED="1786246217323" ID="ID_1893817108" MODIFIED="1786246222075" TEXT="Memory Order">
 <node CREATED="1786246223006" ID="ID_1140165000" MODIFIED="1786246224709" TEXT="relaxed"/>
@@ -1007,9 +1014,9 @@
 </node>
 </node>
 <node CREATED="1786245528744" ID="ID_891133446" MODIFIED="1786245544593" TEXT="Example: producer &#x27f6; consumer">
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1785791243995" ID="ID_537337249" MODIFIED="1786245908602" TEXT="Code-Beispiel">
+<node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1785791243995" ID="ID_537337249" MODIFIED="1786413252613" TEXT="Code-Beispiel">
 <arrowlink COLOR="#53387c" DESTINATION="ID_1698936757" ENDARROW="Default" ENDINCLINATION="-204;-288;" ID="Arrow_ID_1915855216" STARTARROW="None" STARTINCLINATION="-340;56;"/>
-<icon BUILTIN="flag-yellow"/>
+<icon BUILTIN="pencil"/>
 <node CREATED="1786245936803" ID="ID_1211062148" MODIFIED="1786245940949" TEXT="Zonen">
 <node CREATED="1786245941715" ID="ID_167190015" MODIFIED="1786245945822" TEXT="Deklaration"/>
 <node CREATED="1786245946151" ID="ID_1870232563" MODIFIED="1786245948582" TEXT="Producer"/>
@@ -1031,7 +1038,7 @@
 <node CREATED="1786246526121" ID="ID_481886127" MODIFIED="1786246545962" TEXT="yes &#x27f9; sleep (Kernel call)"/>
 <node CREATED="1786246546790" ID="ID_1627212633" MODIFIED="1786246561350" TEXT="no &#x27f9; immeditately return"/>
 </node>
-<node CREATED="1786246572246" ID="ID_1144371495" MODIFIED="1786246584476" TEXT="wakeup: signal threads put to sleep on Futex"/>
+<node CREATED="1786246572246" ID="ID_1144371495" MODIFIED="1786413324339" TEXT="Wakeup: signal threads sleeping on Futex"/>
 </node>
 </node>
 <node BACKGROUND_COLOR="#e1cdb4" CREATED="1786273770202" ID="ID_1746764837" MODIFIED="1786273945852" STYLE="bubble" TEXT="25">
@@ -1049,18 +1056,19 @@
 </node>
 <node CREATED="1786295737962" ID="ID_871161331" MODIFIED="1786295765746" TEXT="need backpressure (flow-control)"/>
 <node CREATED="1786295878057" ID="ID_1225397941" MODIFIED="1786296066181" TEXT="need processing framework">
-<node CREATED="1786296109950" ID="ID_1143937459" MODIFIED="1786296120416" TEXT="simple sulution: polling thread">
-<node CREATED="1785875601816" ID="ID_1590769713" MODIFIED="1786296152862">
+<node CREATED="1786296109950" ID="ID_1143937459" MODIFIED="1786415411620" TEXT="simple solution: polling thread">
+<node CREATED="1785875601816" ID="ID_1590769713" MODIFIED="1786415380089">
 <richcontent TYPE="NODE"><html>
   <head>
     
   </head>
   <body>
     <p>
-      Thread polls &#187;readyness&#171; &#10233; <b>Reactor</b>
+      Thread polls &#187;readiness&#171; &#10233; <b>Reactor</b>
     </p>
   </body>
-</html></richcontent>
+</html>
+</richcontent>
 </node>
 <node CREATED="1785875601816" ID="ID_1044114554" MODIFIED="1786296163481">
 <richcontent TYPE="NODE"><html>
@@ -1092,7 +1100,7 @@
 <node CREATED="1786298071072" ID="ID_1661104920" MODIFIED="1786298073416" TEXT="Thread"/>
 </node>
 </node>
-<node CREATED="1786298087691" ID="ID_222783533" MODIFIED="1786298095203" TEXT="excourse: VideoDisplay">
+<node CREATED="1786298087691" ID="ID_222783533" MODIFIED="1786415135482" TEXT="Excursion: VideoDisplay">
 <node CREATED="1786298129126" ID="ID_823722007" MODIFIED="1786298133704" TEXT="hard wired dimensions"/>
 <node CREATED="1786298134293" ID="ID_1908151271" MODIFIED="1786298145599" TEXT="defines Callback-Interface: PixelFeed"/>
 <node CREATED="1786298148699" ID="ID_655256792" MODIFIED="1786298154142" TEXT="gets subclass"/>
@@ -1296,12 +1304,42 @@
 <linktarget COLOR="#339dbd" DESTINATION="ID_1806019726" ENDARROW="Default" ENDINCLINATION="121;0;" ID="Arrow_ID_938057656" SOURCE="ID_1725774104" STARTARROW="None" STARTINCLINATION="-30;41;"/>
 <icon BUILTIN="flag-yellow"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1785877094220" ID="ID_404598432" MODIFIED="1785877438593" TEXT="Diagramm &quot;Application setup&quot;">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1785877094220" ID="ID_404598432" MODIFIED="1786417301454" TEXT="Diagramm &quot;Application setup&quot;">
+<icon BUILTIN="button_ok"/>
+<node CREATED="1786417174016" ID="ID_1391583938" MODIFIED="1786417216873" TEXT="Verwende SVG vom letzten Jahr">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      devel/froscon/research/drawings/DemoApp.svg
+    </p>
+  </body>
+</html>
+</richcontent>
+</node>
+<node CREATED="1786417218690" ID="ID_1381822955" MODIFIED="1786417293609" TEXT="mache einen &#xbb;fliegenden Edit&#xab; und tausche den Text aus">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      ...alles ausgeblendet, au&#223;der dem einen Callback, den ich brauche; Seitengr&#246;&#223;e an neue Pr&#228;sentation angepa&#223;t, als PNG exportiert, in Libreoffice gelinkt
+    </p>
+  </body>
+</html>
+</richcontent>
+</node>
+<node BACKGROUND_COLOR="#e0ceaa" COLOR="#bd0711" CREATED="1786417231271" ID="ID_83397102" MODIFIED="1786417241997" TEXT="SVG nicht gespeichert">
+<icon BUILTIN="messagebox_warning"/>
+</node>
 </node>
 </node>
 <node CREATED="1754874947759" ID="ID_920995429" MODIFIED="1754874949169" TEXT="Code">
-<node BACKGROUND_COLOR="#c8c0b6" COLOR="#435e98" CREATED="1754875923722" FOLDED="true" ID="ID_1802306052" MODIFIED="1786208392664" TEXT="Hau-zu">
+<node BACKGROUND_COLOR="#c8c0b6" COLOR="#435e98" CREATED="1754875923722" FOLDED="true" ID="ID_1802306052" MODIFIED="1786417869822" TEXT="Hau-zu">
+<linktarget COLOR="#284abc" DESTINATION="ID_1802306052" ENDARROW="Default" ENDINCLINATION="-386;101;" ID="Arrow_ID_884782059" SOURCE="ID_1170402440" STARTARROW="None" STARTINCLINATION="-430;-61;"/>
 <icon BUILTIN="idea"/>
 <node CREATED="1754875935034" ID="ID_1639632743" MODIFIED="1754876018517" TEXT="Code in Eclipse ausw&#xe4;hlen">
 <icon BUILTIN="full-1"/>
@@ -1417,6 +1455,53 @@
 <node CREATED="1786366533958" ID="ID_481931167" MODIFIED="1786366593378" TEXT="Abschnitte: Cover, bottom-to-top, 0.50sec"/>
 </node>
 </node>
+<node CREATED="1786416696839" ID="ID_1362524710" MODIFIED="1786416704983" TEXT="Diagramme mit Inkscape">
+<node CREATED="1786416705938" ID="ID_28831652" MODIFIED="1786416707596" TEXT="Import">
+<node CREATED="1786416708594" ID="ID_702361373" MODIFIED="1786416713633" TEXT="direkt per SVG m&#xf6;glich">
+<node BACKGROUND_COLOR="#f8f1cb" COLOR="#a50125" CREATED="1786416718072" ID="ID_1090977848" MODIFIED="1786416727174" TEXT="Vorsicht">
+<icon BUILTIN="messagebox_warning"/>
+<node CREATED="1786416729597" ID="ID_1972453529" MODIFIED="1786416740080" TEXT="Gradienten..."/>
+<node CREATED="1786416740907" ID="ID_124929683" MODIFIED="1786416744271" TEXT="kann gro&#xdf; werden"/>
+</node>
+</node>
+<node CREATED="1786416746295" ID="ID_1784184616" MODIFIED="1786416750038" TEXT="problemlos: PNG"/>
+</node>
+<node CREATED="1786416760415" ID="ID_940342770" MODIFIED="1786416762836" TEXT="Einrichten...">
+<node CREATED="1786416763913" ID="ID_1185241960" MODIFIED="1786416773549" TEXT="Rahmen in Libereoffice Impress"/>
+<node CREATED="1786416774167" ID="ID_594660369" MODIFIED="1786416782482" TEXT="exakte Gr&#xf6;&#xdf;e in cm abgreifen"/>
+<node CREATED="1786416783257" ID="ID_1508499783" MODIFIED="1786416794112" TEXT="Inkscape: Seite auf exakt diese cm dimensionieren"/>
+<node CREATED="1786416859050" ID="ID_1598459551" MODIFIED="1786416878815" TEXT="Export: auf 300dpi stellen">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      es ergeben sich daraus die Pixel
+    </p>
+  </body>
+</html>
+</richcontent>
+</node>
+<node CREATED="1786416853832" ID="ID_178516863" MODIFIED="1786416858007" TEXT="Display-units: px"/>
+</node>
+<node CREATED="1786416888580" ID="ID_639227912" MODIFIED="1786416907585" TEXT="Importieren, ... dann Position / Gr&#xf6;&#xdf;e reparieren"/>
+<node CREATED="1786417049583" ID="ID_1142971451" MODIFIED="1786417062171" TEXT="Round-Trip">
+<node CREATED="1786417064751" ID="ID_1146043146" MODIFIED="1786417077122" TEXT="Rechtsklick auf Frame"/>
+<node CREATED="1786417077757" ID="ID_640083563" MODIFIED="1786417087493" TEXT="Context-Men&#xfc; &gt; Replace"/>
+<node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1786417088908" ID="ID_661842770" MODIFIED="1786417110755" TEXT="Achtung: nicht link">
+<icon BUILTIN="messagebox_warning"/>
+</node>
+</node>
+</node>
+<node CREATED="1786417787916" ID="ID_1621049515" MODIFIED="1786417794895" TEXT="Code aus Eclipse">
+<node CREATED="1786417797530" ID="ID_1170402440" MODIFIED="1786417869822" TEXT="Methode: Print-to-SVG">
+<arrowlink COLOR="#284abc" DESTINATION="ID_1802306052" ENDARROW="Default" ENDINCLINATION="-386;101;" ID="Arrow_ID_884782059" STARTARROW="None" STARTINCLINATION="-430;-61;"/>
+</node>
+<node BACKGROUND_COLOR="#c8c0b6" COLOR="#435e98" CREATED="1786417806771" ID="ID_719589637" MODIFIED="1786417819086" TEXT="neuerdings geht direkt Copy-n-Paste">
+<icon BUILTIN="idea"/>
+</node>
+</node>
 </node>
 </node>
 <node CREATED="1519523032397" ID="ID_1864078267" MODIFIED="1519527416043" TEXT="Outline">
diff --git a/FrOSCon26/Talk-IOUring.odp b/FrOSCon26/Talk-IOUring.odp
index 091dd11..c93af0f 100644
Binary files a/FrOSCon26/Talk-IOUring.odp and b/FrOSCon26/Talk-IOUring.odp differ
diff --git a/FrOSCon26/TalkTemplate.otp b/FrOSCon26/TalkTemplate.otp
index d11a05d..0b99f71 100644
Binary files a/FrOSCon26/TalkTemplate.otp and b/FrOSCon26/TalkTemplate.otp differ