diff --git a/_share/media/img/facebook/envy/section 03/L14a.png b/_share/media/img/facebook/envy/section 03/L14a.png
new file mode 100644
index 0000000..2a5f5f4
Binary files /dev/null and b/_share/media/img/facebook/envy/section 03/L14a.png differ
diff --git a/_share/media/img/facebook/envy/section 03/L14b.png b/_share/media/img/facebook/envy/section 03/L14b.png
new file mode 100644
index 0000000..d382748
Binary files /dev/null and b/_share/media/img/facebook/envy/section 03/L14b.png differ
diff --git a/envy/_subsections/sec03/lesson-14.org b/envy/_subsections/sec03/lesson-14.org
index e1b758e..ac8bd4d 100644
--- a/envy/_subsections/sec03/lesson-14.org
+++ b/envy/_subsections/sec03/lesson-14.org
@@ -77,5 +77,48 @@
 
 *** simple and straightforward works best!
 
-*** testing
+** testing
+*** Dynamic Creatives
 - test in bulk via Dynamic Creatives feature
+  - Primary Text
+  - Headline
+  - Description
+
+- you can test multiple variables
+  - click the plus sign at each field
+
+  #+attr_html: :width 300px
+  [[file:../../../_share/media/img/facebook/envy/section 03/L14b.png]]
+
+  #+attr_html: :width 300px
+  [[file:../../../_share/media/img/facebook/envy/section 03/L14a.png]]
+
+*** Track your tests
+- create an excel sheet and keep track
+  - clicks
+  - engagement
+  - conversions
+
+- you can also use a similar document to track ads for other companies
+
+** Not getting rejected
+- https://www.facebook.com/policies/ads
+
+*** biggest reason for ads getting rejected
+- misleading claims
+  - never make specific unrealistic claims
+  - focus on hooking client, not tricking
+  - e.g. /interested in the BEST way to rapidly and safely transform your body?/
+
+** Facebook Ad Creative Best Practices
+- look at TOP brands and competitors for inspiration
+- use HIGH resolution images
+- avoid stock photos
+  - users prefer AUTHENTIC images and videos (even if using a cell phone)
+  - ask for a personal photos such as a customer selfie with them holding your product
+    - run a contest awarding a free gift to the store for the BEST product selfie inspriation
+- make ad creative and ad copy RELEVANT to the customer base
+  - use images that are RELEVANT to what you are advertising
+  - use product image slideshow / video with text overlay customer testimonials for product, targeting Bottom of Funnel warm user
+- think MOBILE FIRST
+  - anything you do must work work FIRST ON MOBILE