diff --git a/configuration.nix b/configuration.nix
index 915e4a9..e23885c 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -107,10 +107,13 @@
   users.users.alice = {
     isNormalUser = true;
     home = "/home/alice";
-    extraGroups = [ "wheel" "networkmanager" "video" ]; # Enable 'sudo' for the user.
+    extraGroups = [ "wheel" "networkmanager" "video" ] ++ [ "adbusers" ]; # Enable 'sudo' for the user.
     initialPassword = "manysuchcases";
   };
   home-manager.users.alice = import ./home.nix;
+
+  # Fingerprint reader stuff
+  services.fprintd.enable = true;
   
   # Make sure swaylock works (defined in home.nix)
   security.pam.services.swaylock = { };
@@ -150,6 +153,9 @@
   # Enable tailscale
   services.tailscale.enable = true;
 
+  # Enable adb
+  programs.adb.enable = true;
+
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;
diff --git a/programs/waybar.nix b/programs/waybar.nix
index acf3d12..8ea08dd 100644
--- a/programs/waybar.nix
+++ b/programs/waybar.nix
@@ -72,6 +72,7 @@ in
       spacing = 5;
     };
     clock = {
+      interval = 1;
       format = "{:%H:%M:%S %a %F}";
       tooltip-format = "<big>{:%Y %B}</big>\n<tt><small>{calendar}</small></tt>";
     };
diff --git a/todo b/todo
index 66dd3a3..3605544 100644
--- a/todo
+++ b/todo
@@ -7,3 +7,4 @@ media player daemon
 dmenu files
 notifications timeout and other assorted settings
 add pandoc support for markdown rendering
+seconds don't show on waybar lol