diff --git a/.binder/postBuild b/.binder/postBuild
index 501c8665..c82bc4eb 100644
--- a/.binder/postBuild
+++ b/.binder/postBuild
@@ -1,3 +1,5 @@
+# ----- TM129 repo2docker: postBuild ---
+
 
 # Copy in a datestamp for start of postBuild activity
 echo "postBuild start time: $(date)" >> $CONDA_DIR/tm129_image_build_time.txt
@@ -76,5 +78,5 @@ jupyter nbextension install --py jupyter_wysiwyg  --$INSTALL_PREFIX
 # Copy in a datestamp of end of build - checks we got this far as well!
 echo "postBuild end time: $(date)" >> $CONDA_DIR/tm129_image_build_time.txt
 
-# GDAL / osgeo
+# GDAL / osgeo - Lidar mapping
 #conda install -y -c conda-forge gdal
diff --git a/README.md b/README.md
index b767b9c5..f3ba8247 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ Repo to explore the drafting of updated robotics activities for the OU module TM
 
 [![Binder](https://mybinder.org/badge_logo.svg)](https://gke.mybinder.org/v2/gh/innovationOUtside/tm129-robotics2020/master)
 
+Neural net demos: [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/innovationOUtside/tm129-robotics2020/master?filepath=content%2F07.%2520Neural%2520networks)
+
 Presentation: [![Binder](https://mybinder.org/badge_logo.svg)](https://gke.mybinder.org/v2/gh/innovationOUtside/tm129-robotics2020/master?filepath=seminar_tm129_robotics_overview.md)
 
 *(I note in passing the nbgitpuller binder tab [here](https://jupyterhub.github.io/nbgitpuller/link.html), as well as this [WIP](https://github.com/innovationOUtside/ou-tm129-py/) on packaging py requirements via a py package; should this repo be used as content against a binderbox elsewhere?)*