diff --git a/reddit/__init__.py b/reddit/__init__.py
index e69de29..1788e42 100644
--- a/reddit/__init__.py
+++ b/reddit/__init__.py
@@ -0,0 +1,87 @@
+from typing import List, Dict, Union, Iterable, Iterator, NamedTuple
+
+BPATH = "/L/backups/reddit"
+
+def iter_backups() -> Iterator[str]:
+    import os
+    for f in sorted(os.listdir(BPATH)):
+        if f.endswith('.json'):
+            yield os.path.join(BPATH, f)
+
+
+from datetime import datetime
+
+class Save(NamedTuple):
+    dt: datetime
+    link: str
+
+class Misc(NamedTuple):
+    pass
+
+EventKind = Union[Save, Misc]
+
+class Event(NamedTuple):
+    dt: datetime
+    text: str
+    kind: EventKind
+
+from kython import JSONType, json_load
+
+def get_some(d, *keys):
+    for k in keys:
+        v = d.get(k, None)
+        if v is not None:
+            return v
+    else:
+        return None
+
+
+def get_state(bfile: str):
+    saves: Dict[str, Save] = {}
+    json: JSONType
+    with open(bfile, 'r') as fo:
+        json = json_load(fo)
+
+    saved = json['saved']
+    for s in saved:
+        dt = datetime.utcfromtimestamp(s['created_utc'])
+        link = get_some(s, 'link_permalink', 'url') # TODO link title or title
+        save = Save(dt=dt, link=link)
+        saves[save.link] = save
+
+        # "created_utc": 1535055017.0,
+        # link_title
+        # link_text 
+    return saves
+
+
+def get_events():
+    backups = list(iter_backups())
+
+    events: List[Event] = []
+    prev_saves: Dict[str, Save] = {}
+    # TODO suppress first batch??
+
+    for b in backups: # TODO when date...
+        saves = get_state(b)
+        for l in set(prev_saves.keys()).symmetric_difference(set(saves.keys())):
+            if l in prev_saves:
+                s = prev_saves[l]
+                # TODO use backup date, that is more precise...
+                events.append(Event(
+                    dt=s.dt,
+                    text=f"Unfavorited {s.link}",
+                    kind=s,
+                ))
+            else: # in saves
+                s = saves[l]
+                events.append(Event(
+                    dt=s.dt,
+                    text=f"Favorited {s.link}",
+                    kind=s,
+                ))
+        prev_saves = saves
+
+    return list(sorted(events, key=lambda e: e.dt))
+
+
diff --git a/reddit/__main__.py b/reddit/__main__.py
index e69de29..fea3d2d 100644
--- a/reddit/__main__.py
+++ b/reddit/__main__.py
@@ -0,0 +1,6 @@
+from reddit import get_events
+
+import sys, ipdb, traceback; exec("def info(type, value, tb):\n    traceback.print_exception(type, value, tb)\n    ipdb.pm()"); sys.excepthook = info # type: ignore
+
+for e in get_events():
+    print(e)
diff --git a/run b/run
index a9f51cc..4a4b7e5 100755
--- a/run
+++ b/run
@@ -3,4 +3,4 @@ set -eu
 
 cd "$(dirname "$0")"
 
-python3 -m location
+python3 -m reddit