adding week 4 readings

schedule.md

@@ -238,6 +238,11 @@ Discussion of Disability Dongle Paper
 - {: .homework} [Finding Accessibility](assignments/finding-accessibility.html) Assigned: Summarize a first person account of an access technology
 - {: .homework} **Post-module Reflection:**  [Accessibility Basics Reflection](https://forms.gle/Wk8C51m5Sbq8RX7W8)
 - **Required Readings** Respond  to the Reading Questions and Preparation Requirements on Ed
+    - Read [Fairness issues in AI Systems that augment sensory abilities](https://arxiv.org/pdf/1908.07333.pdf) and [**Respond on Ed**](TODO) 
+   - Read [A systematic literature review of handheld augmented reality solutions for people with disabilities](file:///Users/jmankoff/Downloads/sensors-22-07719-v2.pdf) and [**Respond on Ed**](TODO)
+    - Read [7 benefits of AR and VR for People with Disabilities](https://arpost.co/2022/02/09/7-benefits-ar-vr-for-people-with-disability/) and [**Respond on Ed**](TODO) 
+
+
 
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