diff --git a/parts/introduction/index.Rmd b/parts/introduction/index.Rmd
index 45b5e12..21ad9fb 100644
--- a/parts/introduction/index.Rmd
+++ b/parts/introduction/index.Rmd
@@ -342,9 +342,13 @@ class: center
 
 ## .center[Experiment Design]
 
-<br>
+R: 
 
-# .center[.font200[❌]]
+- {cbcTools}
+- {ExpertChoice}
+- {support.CEs}
+- {idefix}
+- {choiceDes}
 
 ]
 
@@ -352,9 +356,9 @@ class: center
 
 ## .center[Online Surveys]
 
-<br>
+R: 
 
-# .center[.font200[❌]]
+- formr
 
 ]
 
@@ -362,14 +366,18 @@ class: center
 
 ## .center[Model Estimation]
 
-R: 
+R:
 
 - {logitr}
 - {apollo}
 - {mlogit}
 - {gmnl}
+- {mixl}
+
+Other:
 
-Stan
+- Python: {xlogit}
+- Stan
 
 ]
 
diff --git a/parts/introduction/index.html b/parts/introduction/index.html
index 8b50899..f7145a1 100644
--- a/parts/introduction/index.html
+++ b/parts/introduction/index.html
@@ -314,9 +314,13 @@
 
 ## .center[Experiment Design]
 
-&lt;br&gt;
+R: 
 
-# .center[.font200[❌]]
+- {cbcTools}
+- {ExpertChoice}
+- {support.CEs}
+- {idefix}
+- {choiceDes}
 
 ]
 
@@ -324,9 +328,9 @@
 
 ## .center[Online Surveys]
 
-&lt;br&gt;
+R: 
 
-# .center[.font200[❌]]
+- formr
 
 ]
 
@@ -334,14 +338,18 @@
 
 ## .center[Model Estimation]
 
-R: 
+R:
 
 - {logitr}
 - {apollo}
 - {mlogit}
 - {gmnl}
+- {mixl}
+
+Other:
 
-Stan
+- Python: {xlogit}
+- Stan
 
 ]
 
diff --git a/parts/introduction/introduction.pdf b/parts/introduction/introduction.pdf
index 3c73afb..5ab9a2e 100644
Binary files a/parts/introduction/introduction.pdf and b/parts/introduction/introduction.pdf differ