diff --git a/envy/_subsections/sec03/lesson-14.org b/envy/_subsections/sec03/lesson-14.org
index ac8bd4d..6a46fd5 100644
--- a/envy/_subsections/sec03/lesson-14.org
+++ b/envy/_subsections/sec03/lesson-14.org
@@ -122,3 +122,36 @@
   - 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
+  - test must be READABLE ON MOBILE
+
+** Creative hub
+https://www.facebook.com/business/inspiration/creative-hub
+
+*** create mockup
+- see how your ads will look
+- when ready, toggle 'show in ads manager'
+
+*** best practices
+- happy attractive women
+- bright colors
+- text should mask reading flow
+  - top to bottom
+  - left to right
+
+*** text overlay split test
+- https://www.coursenvy.com/post/how-to-create-a-viral-video
+- try text above and below
+
+** facebook ad library
+- https://www.facebook.com/ads/library/?active_status=active&ad_type=political_and_issue_ads&country=IL&is_targeted_country=false&media_type=all
+
+- see what competitors are doing
+
+- allows you to do market research
+  - keywords
+  - phrases
+  - visuals
+
+- go do a search on something you are interested in
+  - check out the longest running ads
+  - variants