diff --git a/README.md b/README.md
index c80c7900..997af57c 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 
 Full mesh group calls powered by [Matrix](https://matrix.org), implementing [MatrixRTC](https://github.com/matrix-org/matrix-spec-proposals/blob/matthew/group-voip/proposals/3401-group-voip.md).
 
+![A demo of Element Call with six people](demo.jpg)
+
 To try it out, visit our hosted version at [call.element.io](https://call.element.io). You can also find the latest development version continuously deployed to [element-call.netlify.app](https://element-call.netlify.app).
 
 ## Host it yourself
diff --git a/demo.jpg b/demo.jpg
new file mode 100644
index 00000000..afce1ae3
Binary files /dev/null and b/demo.jpg differ
diff --git a/src/room/PTTButton.tsx b/src/room/PTTButton.tsx
index abc02c68..1ff7b27b 100644
--- a/src/room/PTTButton.tsx
+++ b/src/room/PTTButton.tsx
@@ -17,6 +17,7 @@ limitations under the License.
 import React, { useCallback, useState, useRef } from "react";
 import classNames from "classnames";
 import { useSpring, animated } from "@react-spring/web";
+import { logger } from "@sentry/utils";
 
 import styles from "./PTTButton.module.css";
 import { ReactComponent as MicIcon } from "../icons/Mic.svg";
@@ -68,11 +69,23 @@ export const PTTButton: React.FC<Props> = ({
     enqueueNetworkWaiting(true, 100);
     startTalking();
   }, [enqueueNetworkWaiting, startTalking, buttonHeld]);
+
   const unhold = useCallback(() => {
+    if (!buttonHeld) return;
     setButtonHeld(false);
     setNetworkWaiting(false);
     stopTalking();
-  }, [setNetworkWaiting, stopTalking]);
+  }, [setNetworkWaiting, stopTalking, buttonHeld]);
+
+  const onMouseUp = useCallback(() => {
+    logger.info("Mouse up event: unholding PTT button");
+    unhold();
+  }, [unhold]);
+
+  const onBlur = useCallback(() => {
+    logger.info("Blur event: unholding PTT button");
+    unhold();
+  }, [unhold]);
 
   const onButtonMouseDown = useCallback(
     (e: React.MouseEvent<HTMLButtonElement>) => {
@@ -85,7 +98,7 @@ export const PTTButton: React.FC<Props> = ({
   // These listeners go on the window so even if the user's cursor / finger
   // leaves the button while holding it, the button stays pushed until
   // they stop clicking / tapping.
-  useEventTarget(window, "mouseup", unhold);
+  useEventTarget(window, "mouseup", onMouseUp);
   useEventTarget(
     window,
     "touchend",
@@ -103,6 +116,8 @@ export const PTTButton: React.FC<Props> = ({
         }
         if (!touchFound) return;
 
+        logger.info("Touch event ended: unholding PTT button");
+
         e.preventDefault();
         unhold();
         setActiveTouchId(null);
@@ -163,6 +178,8 @@ export const PTTButton: React.FC<Props> = ({
 
           e.preventDefault();
 
+          logger.info("Keyup event for spacebar: unholding PTT button");
+
           unhold();
         }
       },
@@ -171,7 +188,7 @@ export const PTTButton: React.FC<Props> = ({
   );
 
   // TODO: We will need to disable this for a global PTT hotkey to work
-  useEventTarget(window, "blur", unhold);
+  useEventTarget(window, "blur", onBlur);
 
   const prefersReducedMotion = usePrefersReducedMotion();
   const { shadow } = useSpring({