diff --git a/README.md b/README.md
index 008cdbe..3386a94 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 6. Show map widget for airport chosen using latitude and longitude from autocomplete chosen airport. Use this map api https://openlayers.org/doc/quickstart.html
 7. Create a widget that calculate the distance from artic circle to airport https://stackoverflow.com/questions/27928/calculate-distance-between-two-latitude-longitude-points-haversine-formula
 
-8. Use bootstrap 4/tailwindcss for ui
+8. Use tailwindcss for ui
 
 9. Create db table called analytic (id, create_at, widget_name, browser_type, ). Everytime user clicks on a widget, call api /analytic and send the widget name to log it in the db.
 
@@ -18,12 +18,16 @@
 
 11. Create widget export xml that will export the analytic database as xml file. Create backend route to handle this.
 
+    (b) add route to import the analytic xml file.
+
 12. Query https://www.reddit.com/r/programming.json and create a reddit widget where we show the top 4 even post as cards in the widget (title, link, who posted it). Create backend route to handle this.
 
 13. Count # of coin widget. Once user type in a money amount, and click calculate, we show how many bills to add up to the money amount. The bills allowed are: $20 bill, $10 bill, $5 bill, $1 bill, $25 cent, $10 cent, $5 cent, $1 cent. Create backend route to handle this.
 
 14. Rate limit analytic api to only be able to be called 10 times a minute.
 
+15. If the rate limit is exceeded, redirect to a page that requires user to pay for the service ($5) with stripe.  Free to use stripe checkout or payment element.
+
 15. Create upload widget where we upload image to server. Save image to db table. Always show the latest image uploaded above upload button.
 
 16. Read this documentation https://www.npmjs.com/package/speakeasy and implement a modal popup that blocks the dashboard. Unless 2FA is verified, cannot see dashboard.
@@ -49,6 +53,7 @@ When I type a message in send message, call /send POST api to send message to ba
 All client browsers have an api called /poll that check if chat room on redis is updated. If updated, it will return 200 and frontend
 need to call GET /chat/all to pull all the messages in chat room which you will update the UL. Have a button called save where it will save the current chat room chat messages to database table chat with fields (id, create_at, chat_messages).
 
+
 Stripe key:
 
 pk_test_51IWQUwH8oljXErmdg6L4MhsuB6tDdmumlHFfyNaopty2U27pmRcqMX1c868zn838lGQtU1eYV6bKRSQtMFWf36VT00aNsvnTOE