diff --git a/assets/demo/efficient-meetings.png b/assets/demo/efficient-meetings.png
new file mode 100644
index 000000000..46b009dc3
Binary files /dev/null and b/assets/demo/efficient-meetings.png differ
diff --git a/assets/demo/group-chat.png b/assets/demo/group-chat.png
new file mode 100644
index 000000000..1e9f7b624
Binary files /dev/null and b/assets/demo/group-chat.png differ
diff --git a/assets/demo/multiple-message.png b/assets/demo/multiple-message.png
new file mode 100644
index 000000000..b02fef45f
Binary files /dev/null and b/assets/demo/multiple-message.png differ
diff --git a/assets/demo/special-function.png b/assets/demo/special-function.png
new file mode 100644
index 000000000..c6943ec70
Binary files /dev/null and b/assets/demo/special-function.png differ