diff --git a/user.js b/user.js
index b16b125..7257820 100644
--- a/user.js
+++ b/user.js
@@ -68,12 +68,18 @@ user_pref("network.predictor.enable-prefetch", false);
 user_pref("network.prefetch-next", false);
 
 // Privacy
-user_pref("app.shield.optoutstudies.enabled", false);
+user_pref("app.shield.optoutstudies.enabled", true);
 user_pref("browser.contentblocking.category", "strict");
 user_pref("browser.translation.engine", "");
+user_pref("dom.battery.enabled", false);
+user_pref("dom.event.clipboardevents.enabled", false);
+user_pref("media.navigator.enabled", false);
+user_pref("network.cookie.cookieBehavior", 5);
 user_pref("privacy.donottrackheader.enabled", true);
 user_pref("privacy.trackingprotection.enabled", true);
 user_pref("privacy.trackingprotection.socialtracking.enabled", true);
+user_pref("privacy.userContext.enabled", true);
+user_pref("privacy.userContext.ui.enabled", true);
 user_pref("gecko.handlerService.schemes.irc.0.name", "");
 user_pref("gecko.handlerService.schemes.irc.0.uriTemplate", "");
 user_pref("gecko.handlerService.schemes.ircs.0.name", "");