diff --git a/01_Code/physical_computing_interface/main.js b/01_Code/physical_computing_interface/main.js
index 25fd6ba47ace6467768325922b21bfde736a24fd..ddcbc46a0ca67fe9dc54c01575751a5d558cde29 100644
--- a/01_Code/physical_computing_interface/main.js
+++ b/01_Code/physical_computing_interface/main.js
@@ -78,9 +78,6 @@ document.addEventListener('removeNode', function (e) {
     
 }, false);
 
-
-
-
 //////////////////////////////////////////////
 
 //////////////////////utils//////////////////
@@ -92,6 +89,11 @@ function getXYZfromName(name){
     var z=nums[2];
     return new THREE.Vector3(x,y,z);
 }
+//////////////////////////////////////////////
+
+//////////performance calculations/////////////////
+
+
 
 //////////////////////////////////////////////
 
diff --git a/02_Presentation/NeuralNetworkZo19High.png b/02_Presentation/NeuralNetworkZo19High.png
new file mode 100644
index 0000000000000000000000000000000000000000..c2f13097a7f8f34fa8e684784d823fd0237606a1
Binary files /dev/null and b/02_Presentation/NeuralNetworkZo19High.png differ
diff --git a/README.md b/README.md
index 0135a93d97b991f80d31eaa91e1e5585213dbd1d..3b87a59cfb53d5ffd4f3c83cfb96e64219a6d779 100644
--- a/README.md
+++ b/README.md
@@ -14,18 +14,7 @@ Topics include:
         - Swarm assembly and manipulation
 
 ----
-## TODO
-- [ ] Data Flow data Data structure
-  - [ ] look at examples
-- [ ] Max flow implementation
-- [ ] Graph Search
-- [ ] Graph creation (nodes creation)
-- [ ] Graph Hierarchy
-----
-
 ## Progress
 - [Distributed Deep Neural Networks](https://gitlab.cba.mit.edu/amiraa/ddnn)
+- "Physical Computing Interface" demo lives [here.](https://amiraa.pages.cba.mit.edu/physical-computing-design-tools/01_Code/physical_computing_interface/index.html)
 
-## Demo
-
-"Physical Computing Interface" demo lives [here.](https://amiraa.pages.cba.mit.edu/physical-computing-design-tools/01_Code/physical_computing_interface/index.html)