diff --git a/journal/2021-06-06--13-43-12Z--service_oriented_programming.org b/journal/2021-06-06--13-43-12Z--service_oriented_programming.org
index b2e6f77a..78e8ca5b 100644
--- a/journal/2021-06-06--13-43-12Z--service_oriented_programming.org
+++ b/journal/2021-06-06--13-43-12Z--service_oriented_programming.org
@@ -43,10 +43,3 @@ foo-service-methods
 def foo-service
   create-service( config-service, bar-service, baz-service)
 #+end_src
-
-The component will form an acyclic graph of dependencies.
-
-Principles:
-
-A service contain an internal state.
-Every method of the service can access this internal state.
diff --git a/tracker.org b/tracker.org
index 7e64602e..9dc054b9 100644
--- a/tracker.org
+++ b/tracker.org
@@ -3052,12 +3052,12 @@ CLOCK: [2021-05-28 Fri 07:39]--[2021-05-28 Fri 10:11] =>  2:32
 
 ** 2021-W22
 #+BEGIN: clocktable :scope subtree :maxlevel 4 :timestamp t :link t :tags t :narrow 20! :match "work"
-#+CAPTION: Clock summary at [2021-06-03 Thu 20:27]
+#+CAPTION: Clock summary at [2021-06-04 Fri 18:57]
 | Timestamp              | Tags                | Headline                     | Time    |       |      |      |
 |------------------------+---------------------+------------------------------+---------+-------+------+------|
-|                        |                     | *Total time*                 | *21:08* |       |      |      |
+|                        |                     | *Total time*                 | *27:25* |       |      |      |
 |------------------------+---------------------+------------------------------+---------+-------+------+------|
-|                        |                     | \_  [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-W22][2021-W22]]                 |         | 21:08 |      |      |
+|                        |                     | \_  [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-W22][2021-W22]]                 |         | 27:25 |      |      |
 | [2021-06-02 Wed 09:20] |                     | \_    [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-05-31 Monday][2021-05-31 Monday]]      |         |       | 4:45 |      |
 | [2021-05-31 Mon 15:18] | work, chat          | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*check assert/always-validate status][check...]]             |         |       |      | 1:46 |
 | [2021-05-31 Mon 15:08] | work                | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*tac related route issue update branch][tac related route...]] |         |       |      | 0:10 |
@@ -3081,6 +3081,11 @@ CLOCK: [2021-05-28 Fri 07:39]--[2021-05-28 Fri 10:11] =>  2:32
 | [2021-06-03 Thu 17:02] | work, meeting       | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*weekly Service][weekly Service]]       |         |       |      | 1:22 |
 | [2021-06-03 Thu 14:10] | work                | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*Device Flow][Device Flow]]          |         |       |      | 2:52 |
 | [2021-06-03 Thu 12:05] | work, chat          | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*morning chat][morning chat]]         |         |       |      | 2:00 |
+| [2021-06-04 Fri 18:57] |                     | \_    [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-06-04 Friday][2021-06-04 Friday]]      |         |       | 6:17 |      |
+| [2021-06-04 Fri 16:59] | work, meeting       | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*FirstHealth][FirstHealth]]          |         |       |      | 0:10 |
+| [2021-06-04 Fri 15:35] | work                | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*device grant clean PR][device grant...]]      |         |       |      | 3:12 |
+| [2021-06-04 Fri 11:21] | work                | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*Device flow][Device flow]]          |         |       |      | 1:08 |
+| [2021-06-04 Fri 11:14] | work, chat          | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*morning chat & review][morning chat &...]]    |         |       |      | 1:47 |
 #+END:
 *** 2021-05-31 Monday
 #+BEGIN: clocktable :scope subtree :maxlevel 4 :timestamp t :link t :tags t :narrow 36! :match "work"
@@ -3277,15 +3282,16 @@ CLOCK: [2021-06-03 Thu 08:05]--[2021-06-03 Thu 09:10] =>  1:05
 
 *** 2021-06-04 Friday
 #+BEGIN: clocktable :scope subtree :maxlevel 4 :timestamp t :link t :tags t :narrow 36! :match "work"
-#+CAPTION: Clock summary at [2021-06-04 Fri 17:00]
-| Timestamp              | Tags       | Headline                      | Time   |   |      |      |
-|------------------------+------------+-------------------------------+--------+---+------+------|
-|                        |            | *Total time*                  | *4:19* |   |      |      |
-|------------------------+------------+-------------------------------+--------+---+------+------|
-|                        |            | \_    [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-06-04 Friday][2021-06-04 Friday]]       |        |   | 4:19 |      |
-| [2021-06-04 Fri 15:35] | work       | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*device grant clean PR][device grant clean PR]] |        |   |      | 1:24 |
-| [2021-06-04 Fri 11:21] | work       | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*Device flow][Device flow]]           |        |   |      | 1:08 |
-| [2021-06-04 Fri 11:14] | work, chat | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*morning chat & review][morning chat & review]] |        |   |      | 1:47 |
+#+CAPTION: Clock summary at [2021-06-04 Fri 18:57]
+| Timestamp              | Tags          | Headline                      | Time   |   |      |      |
+|------------------------+---------------+-------------------------------+--------+---+------+------|
+|                        |               | *Total time*                  | *6:17* |   |      |      |
+|------------------------+---------------+-------------------------------+--------+---+------+------|
+|                        |               | \_    [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*2021-06-04 Friday][2021-06-04 Friday]]       |        |   | 6:17 |      |
+| [2021-06-04 Fri 16:59] | work, meeting | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*FirstHealth][FirstHealth]]           |        |   |      | 0:10 |
+| [2021-06-04 Fri 15:35] | work          | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*device grant clean PR][device grant clean PR]] |        |   |      | 3:12 |
+| [2021-06-04 Fri 11:21] | work          | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*Device flow][Device flow]]           |        |   |      | 1:08 |
+| [2021-06-04 Fri 11:14] | work, chat    | \_      [[file:/Users/esposito/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org/tracker.org::*morning chat & review][morning chat & review]] |        |   |      | 1:47 |
 #+END:
 **** MEETING FirstHealth                                          :work:meeting:
 :LOGBOOK:
@@ -3294,7 +3300,7 @@ CLOCK: [2021-06-04 Fri 16:59]--[2021-06-04 Fri 17:09] =>  0:10
 [2021-06-04 Fri 16:59]
 **** IN-PROGRESS device grant clean PR                            :work:
 :LOGBOOK:
-CLOCK: [2021-06-04 Fri 17:09]
+CLOCK: [2021-06-04 Fri 17:09]--[2021-06-04 Fri 18:57] =>  1:48
 CLOCK: [2021-06-04 Fri 15:35]--[2021-06-04 Fri 16:59] =>  1:24
 :END:
 [2021-06-04 Fri 15:35]
@@ -3310,3 +3316,13 @@ CLOCK: [2021-06-04 Fri 11:21]--[2021-06-04 Fri 12:29] =>  1:08
 CLOCK: [2021-06-04 Fri 09:34]--[2021-06-04 Fri 11:21] =>  1:47
 :END:
 [2021-06-04 Fri 11:14]
+
+** 2021-W23
+
+*** 2021-06-07 Monday
+**** IN-PROGRESS morning routine                                  :work:
+:LOGBOOK:
+CLOCK: [2021-06-07 Mon 09:37]
+:END:
+[2021-06-07 Mon 09:57]
+- ref ::