diff --git a/Assets/Scripts/ExperimentController.cs b/Assets/Scripts/ExperimentController.cs
index 91d642d..50a595b 100644
--- a/Assets/Scripts/ExperimentController.cs
+++ b/Assets/Scripts/ExperimentController.cs
@@ -34,6 +34,7 @@ public class ExperimentController : MonoBehaviour {
         UnityEngine.Debug.Log(platform);
         string response = "";
         UnityEngine.Debug.Log(Application.persistentDataPath);
+        //Load Trial data from server
         using (WebClient client = new WebClient())
         {
             string endpoint = "http://<URL OF SERVER INSTANCE>" + platform;
@@ -45,6 +46,7 @@ public class ExperimentController : MonoBehaviour {
         playerCamera = GameObject.FindGameObjectsWithTag("MainCamera")[0];
         trialIndex = 0;
         trialDotIndex = 0;
+        //Hide all the non-start dots and the DONE text
         foreach (GameObject go in GameObject.FindGameObjectsWithTag("Dot"))
         {
             dots.Add(go);
@@ -67,6 +69,7 @@ public class ExperimentController : MonoBehaviour {
 
     public void NextDot()
     {
+        //Stop the timer if it is running.
         if (stopwatch.IsRunning)
         {
             stopwatch.Stop();
@@ -74,8 +77,10 @@ public class ExperimentController : MonoBehaviour {
             stopwatch.Reset();
             double angle = Vector3.Angle(nextDot.transform.position, playerCamera.transform.position);
             //double distance = Vector3.Distance(nextDot.transform.position, startDot.transform.position);
+            //Save a sample
             SaveSample(angle, time, false);
         }
+        //Advance to the next dot and make it visible, while hiding the start dot.
         if (trialDotIndex < participant.trials[trialIndex].Length)
         {
             
@@ -84,10 +89,12 @@ public class ExperimentController : MonoBehaviour {
             Show(nextDot);
             Hide(startDot);
         }
+        //Advance to the next trial
         else if(trialIndex < participant.trials.Length)
         {
             trialIndex++;
             trialDotIndex = 0;
+            //Save data if we aren't in practice mode.
             if(participant.participantId != 9999) dataSet.SaveDataSet();
             dataSet.Samples.Clear();
             if (trialIndex < participant.trials.Length && participant.participantId != 9999)
@@ -104,6 +111,7 @@ public class ExperimentController : MonoBehaviour {
         }
         else
         {
+            //Save data if we aren't in practice mode.
             if (participant.participantId != 9999)  dataSet.SaveDataSet();
         }
         stopwatch.Start();
@@ -111,6 +119,7 @@ public class ExperimentController : MonoBehaviour {
 
     }
 
+    //Hide current dot, Show start dot, and reset the timer.
     public void BackToStart()
     {
         stopwatch.Stop();
@@ -118,6 +127,7 @@ public class ExperimentController : MonoBehaviour {
         stopwatch.Reset();
         double angle = Vector3.Angle(nextDot.transform.position, playerCamera.transform.position);
         //double distance = Vector3.Distance(nextDot.transform.position, startDot.transform.position);
+        //Save a sample
         SaveSample(angle, time, true);
         Hide(nextDot);
         Show(startDot);
@@ -126,6 +136,7 @@ public class ExperimentController : MonoBehaviour {
 
     }
 
+    //Wrapper method to convert the Cardboard way of handling things to the Oculus one.
     public void CardboardWrapper(GameObject go, PointerEventData eventData)
     {
         UnityEngine.Debug.Log(eventData.pointerPressRaycast.worldPosition);
@@ -151,6 +162,7 @@ public class ExperimentController : MonoBehaviour {
     {
         Sample sample = new Sample();
         sample.Angle = angle;
+        //Fill in dot distances.
         if(nextDot.name.Contains("Short")){
             sample.Distance = 500;
         }
diff --git a/Assets/Scripts/Participant.cs b/Assets/Scripts/Participant.cs
index bc989c0..72d3b59 100644
--- a/Assets/Scripts/Participant.cs
+++ b/Assets/Scripts/Participant.cs
@@ -7,7 +7,7 @@ public class Participant
     public string[][] trials;
     public string inputMethod;
     public int participantId;
-
+    //Parse data from server.
     public Participant(string json)
     {
         JObject jObject = JObject.Parse(json);