diff --git a/lists.Rmd b/lists.Rmd
index d5472f9..d1fadfb 100644
--- a/lists.Rmd
+++ b/lists.Rmd
@@ -511,6 +511,13 @@ df <- dplyr::data_frame(x = 1:3, y = c("a", "b", "c"))
 df %>% transpose() %>% str()
 ```
 
+### Turning lists into data frames
+
+* Have a deeply nested list with missing pieces
+* Need a tidy data frame so you can visualise, transform, model etc.
+* What do you do?
+* By hand with purrr, talk about `fromJSON` and `tidyJSON`
+
 ### Exercises
 
 ## Dealing with failure