Added small notice of how many submissions this user has made.

background.js

@@ -131,6 +131,18 @@ function submitTimes(videoID, callback) {
           });
         });
       }
+
+      //add these to the storage log
+      chrome.storage.sync.get(["sponsorTimesContributed"], function(result) {
+        let currentContributionAmount = 0;
+        if (result.sponsorTimesContributed != undefined) {
+          //current contribution amount is known
+          currentContributionAmount = result.sponsorTimesContributed;
+        }
+
+        //save the amount contributed
+        chrome.storage.sync.set({"sponsorTimesContributed": currentContributionAmount + sponsorTimes.length});
+      });
     }
   });
 }

popup.css

@@ -12,6 +12,10 @@ body {
   background-color: #ffd9d9;
 }
 
+.recordingSubtitle {
+	margin-bottom: 10px;
+}
+
 .voteButton {
 	height: 32px;
 	margin-right: 15px;

popup.html

@@ -39,7 +39,11 @@
 
           </div>
 
-          <h2>Record the times of a sponsorship</h2>
+          <h2 class="recordingSubtitle">Record the times of a sponsorship</h2>
+
+          <p id="sponsorTimesContributionsDisplay" style="display: none">
+            So far, you've submitted no sponsor times.
+          </p>
 
           <p> 
             Click the button below when the sponsorship starts and ends to record and 

popup.js

@@ -38,6 +38,20 @@ chrome.storage.sync.get(["hideVideoPlayerControls"], function(result) {
   }
 });
 
+//get the amount of times this user has contributed and display it to thank them
+chrome.storage.sync.get(["sponsorTimesContributed"], function(result) {
+  if (result.sponsorTimesContributed != undefined) {
+    let sponsorTimesContributionsDisplay = document.getElementById("sponsorTimesContributionsDisplay");
+
+    if (result.sponsorTimesContributed > 1) {
+      sponsorTimesContributionsDisplay.innerText = "So far, you've submitted " + result.sponsorTimesContributed + " sponsor times.";
+    } else {
+      sponsorTimesContributionsDisplay.innerText = "So far, you've submitted " + result.sponsorTimesContributed + " sponsor time.";
+    }
+    sponsorTimesContributionsDisplay.style.display = "unset";
+  }
+});
+
 chrome.tabs.query({
   active: true,
   currentWindow: true