CASSANDRA-16574 Updated World Party pages with registration link
diff --git a/src/_posts/2021-03-25-world_party.markdown b/src/_posts/2021-03-25-world_party.markdown
index 52b4af6..818581b 100644
--- a/src/_posts/2021-03-25-world_party.markdown
+++ b/src/_posts/2021-03-25-world_party.markdown
@@ -10,7 +10,7 @@
 
 ![Apache Cassandra™ World Party footer](/img/world-party-2021-footer.png)
 
-This release will be the most stable database ever shipped, and Cassandra has become one of the most important databases running today. It is responsible for the biggest workloads in the world and because of that, we want to gather the worldwide community and have a party.
+This release will be the most stable database ever shipped, and Cassandra has become one of the most important databases running today. It is responsible for the biggest workloads in the world and because of that, [we want to gather the worldwide community and have a party](https://hopin.com/events/apache-cassandra-4-0-world-party).
 
 We thought we would do something different for this special event that reflects who we are as a community. Our community lives and works in every timezone, and we want to make it as easy as possible for everyone to participate so we’ve decided to use an Ignite-style format. If you are new to this here’s how it works:
 
@@ -34,9 +34,9 @@
 * April 28 1:00pm UTC
 * April 28 9:00pm UTC
 
-A registration page will go live soon. In the meantime, please [submit your 5-minute Cassandra talk](https://sessionize.com/cassandra) by April 9!
+[Register here](https://hopin.com/events/apache-cassandra-4-0-world-party). In the meantime, please [submit your 5-minute Cassandra talk](https://sessionize.com/cassandra) by April 9!
 
 Whether you're attending or speaking, all Apache Cassandra™ World Party participants must adhere to the [code of conduct](https://www.apache.org/foundation/policies/anti-harassment.html).
 
-Got questions about the event? Please email [cassandra@constantia.io](mailto:cassandra@constantia.io).
+Got questions about the event? Please email [events@constantia.io](mailto:events@constantia.io).
 
diff --git a/src/img/1x1.png b/src/img/1x1.png
new file mode 100644
index 0000000..1914264
--- /dev/null
+++ b/src/img/1x1.png
Binary files differ
diff --git a/src/world_party-2021.md b/src/world_party-2021.md
index 6bdfe53..9136460 100644
--- a/src/world_party-2021.md
+++ b/src/world_party-2021.md
@@ -6,13 +6,13 @@
 is_sphinx_doc: false
 ---
 
-Cassandra 4.0 World Party
--------------------------
+![spacer](/img/1x1.png)
 
 ![Apache Cassandra™ World Party banner](/img/world-party-2021-footer.png)
 
-Apache Cassandra™ runs some of the biggest workloads around the world. Join our virtual, one-day celebration on **Wednesday, April 28, 2021** in preparation for
- the launch of 4.0, the most stable database release ever shipped. Fun, fast-paced talks from our global community will keep you entertained around the clock.
+![spacer](/img/1x1.png)
+
+Apache Cassandra™ runs some of the biggest workloads around the world. Join our virtual, one-day celebration on **Wednesday, April 28, 2021** in preparation for the launch of 4.0, the most stable database release ever shipped. Fun, fast-paced talks from our global community will keep you entertained around the clock. [Register now!](https://hopin.com/events/apache-cassandra-4-0-world-party)
 
 ## Who
 
@@ -20,7 +20,7 @@
 
 ## When
 
-The one-day event will include three sessions so you can celebrate with the Cassandra community in your time zone or attend all three! **Registration link coming soon**.
+The one-day event will include three sessions so you can celebrate with the Cassandra community in your time zone or attend all three! [Register now!](https://hopin.com/events/apache-cassandra-4-0-world-party)
 - April 28 5:00am UTC
 - April 28 1:00pm UTC
 - April 28 9:00pm UTC