diff --git a/lectures/file-and-data-systems/slides.qmd b/lectures/file-and-data-systems/slides.qmd
index f13ad418e01847db98cf45137304655ff2f1f83d..38cd3bce50483da55dc84044486e1e29d0e45640 100644
--- a/lectures/file-and-data-systems/slides.qmd
+++ b/lectures/file-and-data-systems/slides.qmd
@@ -328,6 +328,11 @@ Add a similar function to the previous one for reading, and read the data you ju
   * Metadata, too, may be replicated
 * Enables additional or user defined metadata
 
+## Object storage -- applications
+
+* Cloud storage services
+* Parallelized file systems
+
 ## In-file storage systems
 
 * Explicit: zip, tar, ...