diff --git a/extras/courses.md b/extras/courses.md
index 0dc0122..6e1686e 100644
--- a/extras/courses.md
+++ b/extras/courses.md
@@ -170,3 +170,5 @@ Courses | Duration | Effort
 [Internet of Things: How did we get here?](https://www.coursera.org/learn/internet-of-things-history/)| 2 weeks | 2-3 hours/week
 [Internet of Things: Setting Up Your DragonBoard™ Development Platform](https://www.coursera.org/learn/internet-of-things-dragonboard/)| 10 weeks | 2-3 hours/week
 [Internet of Things: Sensing and Actuation From Devices](https://www.coursera.org/learn/internet-of-things-sensing-actuation)| 6 weeks | 3-5 hours/week
+[Internet of Things: Communication Technologies](https://www.coursera.org/learn/internet-of-things-communication)| 4 weeks | 1 hours/week
+[Internet of Things: MultimediaTechnologies](https://www.coursera.org/learn/internet-of-things-multimedia)| 3 weeks | 1-2 hours/week
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