diff --git a/antidrift/config.py b/antidrift/config.py
index 53a09bd..8ec4df6 100644
--- a/antidrift/config.py
+++ b/antidrift/config.py
@@ -18,6 +18,7 @@ class Block(BaseModel):
 class Config(BaseModel):
     blackblocks: List[Block]
     whiteblocks: List[Block]
+    window_log_file: Path = Path("/home/felixm/tmp/antidrift/history.log")
     daemon_log_file: Path = Path()
     client_log_file: Path = Path()
     config_file: Path = Path()
diff --git a/antidrift/daemon.py b/antidrift/daemon.py
index a259d67..86dcf92 100644
--- a/antidrift/daemon.py
+++ b/antidrift/daemon.py
@@ -1,12 +1,13 @@
+import dbus
+import dbus.service
 import logging
 import os
 import pwd
 import re
 import sys
-import antidrift.xwindow as xwindow
-import dbus
-import dbus.service
+import time
 
+from antidrift.xwindow import XWindow
 from antidrift.config import Config, State, Block
 from gi.repository import GLib, Gio
 from typing import List, Optional
@@ -142,11 +143,26 @@ class AntiDriftDaemon(dbus.service.Object):
         m = f"Blackblock [sky_blue3]{blackblock.name}[/sky_blue3] is now allowed."
         logging.info(m)
 
+    def get_intention(self) -> str:
+        s = " ".join(map(lambda b: b.name, self.state.active_whiteblocks))
+        return f"intention is {s} work" if s else "no intention"
+
     def run(self, debug: bool = False):
         def _enforce():
             self.enforce()
             GLib.timeout_add(self.config.polling_cycle_ms, _enforce)
 
+        def _log():
+            self.config.window_log_file.parent.mkdir(parents=True, exist_ok=True)
+            window = XWindow()
+            ts = int(time.time())
+            intention = self.get_intention()
+            log_line = f"{ts}, {window.name}, {window.cls}, {intention}\n"
+            with self.config.window_log_file.open('a') as f:
+                f.write(log_line)
+            ONE_MINUTE_IN_MS = 60 * 1000
+            GLib.timeout_add(ONE_MINUTE_IN_MS, _log)
+
         # autorestart on file change for development
         monitors = []
         files = [
@@ -156,20 +172,22 @@ class AntiDriftDaemon(dbus.service.Object):
             "antidrift/config.py",
         ]
         if debug:
+            logging.warning("[red]Running in debug mode.[/red]")
             for filename in files:
                 gio_file = Gio.File.new_for_path(filename)
                 monitor = gio_file.monitor_file(Gio.FileMonitorFlags.NONE, None)
                 monitor.connect("changed", reload_callback)
                 monitors.append(monitor)
 
-        logging.info("[rosy_brown]Start.[/rosy_brown]")
         _enforce()
+        _log()
         mainloop = GLib.MainLoop()
         mainloop.run()
+        xwindow.notify(f"AntiDrift running.")
 
     def enforce(self):
         if self.enforce_count >= self.enforce_value:
-            window = xwindow.XWindow()
+            window = XWindow()
             xwindow.notify(f"Minimize {window.name[:30]}.")
             window.minimize()
             self.enforce_count = 0
@@ -188,11 +206,11 @@ def window_is_blocked(state: State, silent: bool = False) -> bool:
     blackblocks = state.active_blackblocks
     whiteblocks = state.active_whiteblocks
 
-    window = xwindow.XWindow()
+    window = XWindow()
     if not window.keywords:
         return False
 
-    def keyword_matches_window(keyword: str, window: xwindow.XWindow):
+    def keyword_matches_window(keyword: str, window: XWindow):
         if keyword.startswith("/") and keyword.endswith("/"):
             try:
                 r = re.compile(keyword[1:-1], re.IGNORECASE)
@@ -240,9 +258,3 @@ def window_is_blocked(state: State, silent: bool = False) -> bool:
     if not silent:
         xwindow.notify(f"'{window.name[:30]}…' not on any whiteblock.")
     return True
-
-
-def run(config: Config):
-    add = AntiDriftDaemon(config)
-    xwindow.notify(f"AntiDrift.run()")
-    add.run()
diff --git a/antidrift/xwindow.py b/antidrift/xwindow.py
index e8fe4df..6526594 100644
--- a/antidrift/xwindow.py
+++ b/antidrift/xwindow.py
@@ -18,6 +18,9 @@ class XWindow:
             self.pid = self._run(["getwindowpid", self.window])
         self.keywords = list(re.findall(r"\w+", self.name.lower()))
 
+    def __repr__(self):
+        return f"<XWindow '{self.name[:20]}' '{self.cls[:20]}'>"
+
     def _run(self, cmd) -> str:
         cmd = ["xdotool"] + cmd
         p = subprocess.run(cmd, capture_output=True)
diff --git a/main.py b/main.py
index 25f3974..ada8f4b 100644
--- a/main.py
+++ b/main.py
@@ -10,7 +10,7 @@ from rich.logging import RichHandler
 from pathlib import Path
 
 import antidrift.client
-import antidrift.daemon
+from antidrift.daemon import AntiDriftDaemon
 from antidrift.config import Config
 
 from dbus.mainloop.glib import DBusGMainLoop
@@ -81,15 +81,14 @@ def main_daemon(config):
         newpid = os.fork()
         if newpid == 0:
             init_logging(config.daemon_log_file)
-            antidrift.daemon.run(config)
+            AntiDriftDaemon(config).run()
     else:
         if sys.argv[0] == "antidrift":
             cmd = ["sudo", "antidrift", "--daemon"]
             subprocess.Popen(cmd)
         else:
             init_logging(config.daemon_log_file, dev_mode=True)
-            logging.warning("[red]Running in development mode.[/red]")
-            antidrift.daemon.run(config)
+            AntiDriftDaemon(config).run(debug=True)
 
 
 def main() -> None: