Update ux-ui-research-questions.md

ux-ui-research-questions.md

-#Open Research Questions 
-*Usability, User Experience and User Interface *
+# Open Research Questions 
+**Usability, User Experience and User Interface**
 
-##Network Level
+## Network Level
 
 - How to measure perceived performance without compromising users' privacy?
 - How to improve exit relay IP reputation to reduce friction while browsing (e.g., Captchas)?
 
-##Client Level - Browser
+## Client Level - Browser
 
 - How to measure websites breakage without compromising users' safety?
 - How to improve user understanding between new tab, new circuit, and new identity? 
 - How to improve user experience on exiting in random languages?
 - What is the best way to show users their fingerprint status?
 
-##Client Level - Tor Tunnel
+## Client Level - Tor Tunnel
 
 - What is the best interface for a desktop tunneling app?
 - What is the most effective way to explain users' trade-offs between client vs. network safety measures?