diff --git a/TODO.t2t b/TODO.t2t
index 90bd9f8..7cc6e7b 100644
--- a/TODO.t2t
+++ b/TODO.t2t
@@ -39,8 +39,6 @@ Work to do in OwlPS
 
 - Use atexit() / on_exit() instead of goto to clean at exit?
 
-- Add option dump-configuration (displays the config & exits).
-
 - Support string-based positioning requests
 
   Along with the binary requests, implement a string-based request
@@ -73,6 +71,11 @@ Work to do in OwlPS
 
 = Aggregator =
 
+- An empty positioner_ip should turn off communication with the
+  positioning server.
+
+- Option to overwrite the output file (ask for a confirmation!).
+
 - Test for the maximum verbose level.
 
 - Outputs should include all the timestamps
@@ -99,11 +102,9 @@ Work to do in OwlPS
 
 - Known bugs:
   - On OpenWrt Backfire (10.03), when the program is statically linked,
-    using both -D and -A at the same time makes the program to block on
+    using both -D and -A at the same time makes the program block on
     the first thread. This is a known issue of uClibc:
     https://dev.openwrt.org/ticket/4809
-  - With autocalibration on, all the CPs declared in listeners.csv must
-    be in coverage or the reference points will not be generated.
 
 - Better handling of retried packets ?
 
@@ -138,10 +139,15 @@ Work to do in OwlPS
 
 = Client =
 
-- Log sent requests?
+- "Metronome" option to send a request precisely every X milliseconds.
 
-- Allow to use a string for the direction?
-  Could be nice, but probably useless.
+  Get the current time right before and right after transmitting a
+  request, and sleep for (X - elapsed(before, after)).
+
+  Should we replace the default behaviour? Or -F 1000 would be the new
+  behaviour, whereas -F +1000 would be the old behaviour?
+
+- Log sent requests?
 
 - Qt version of the client
 
@@ -172,8 +178,9 @@ Work to do in OwlPS
 
 == Known bugs ==
 
-- With autocalibration on, all the CPs declared in listeners.csv must
-  be in coverage or the reference points will not be generated.
+- With autocalibration on in meshing mode, all the CPs declared in
+  listeners.csv must be in coverage or the reference points will not be
+  generated.
 
 
 == Algorithms ==
@@ -243,6 +250,9 @@ Work to do in OwlPS
 
 == User interface ==
 
+- Move autocalibration-related options from the "positioning" category
+  to a dedicated category.
+
 - When reading the CPs, add them to the mobiles' list (or another way to
   be able to have a single entry for a CP).
 
@@ -250,6 +260,9 @@ Work to do in OwlPS
   -A, to activate automatically the options needed by the
   autocalibration.
 
+- Add option dump-configuration (displays the config & exits), if it is
+  possible with boost_program_options.
+
 - Improve --verbose (and/or debug level): print the options, etc.
 
 - Case-insensitive string comparison (for algorithm names, etc.).
@@ -260,6 +273,8 @@ Work to do in OwlPS
 
 == Optimisation & code improvement ==
 
+- Use the 'ws' stream manipulator to eat whitespaces.
+
 - Change ss_t type to int_fast8_t?
 
 - Multithreading: