diff --git a/] b/]
deleted file mode 100644
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--- a/]
+++ /dev/null
@@ -1,23 +0,0 @@
-Vyacheslav 
-MSU professor, neurophisiologyst
-
-https://www.youtube.com/@dubynin
-https://t.me/dubininvaofficial
-
-2024
-GlebSolomin - Dubynin - Why People are Getting Dumber 1:07:00 of 1:46:07
-    https://www.youtube.com/watch?v=_unljosAuag
-    ! 4:30 - 2/3 of neurons - are for movement
-    ! 7:00 - 1-st place - dancing with partner, then raket-based sports, then - complex walking/jogging, then - kachalka
-    ! 9:30 - Basalnyi Gangliy - memorizes seq of simple movements (+ motor cora)
-    ! 19:00 - Eldering - pruning of not-learning neurons, we need a lot of hobbies, new activities
-    ! 1:09:00 - stress - need a lot of blood, zazhaty sosudy
-2022
-Dubynin - Neurophisiology of Temptation and Will of 1:44:08
-    https://www.youtube.com/watch?v=4W2HO6NunHo
-    ! 15:00 - Pavel Vasilievich Simonov (Evgeniya - his daughter, Yuriy Vayzemskiy - son)
-    !         Informational Theory of Emotions
-    !         Classification of Needs: Vital, Social, Self-Development
-    ! 47:00 - Oksitatsyn (immunity, love, friendsheep) - not synthesized artificially
-    !         obnimashki, mutual grooming of primats
-    ! 1:06:00 - System of noradrenalin (neiromediator at brain) - podtalkivaet preodolevat prepyatstviya
diff --git a/db/nosql/mongo/features/types/ext-json.txt b/db/nosql/mongo/features/types/ext-json.txt
new file mode 100644
index 000000000..75d17edde
--- /dev/null
+++ b/db/nosql/mongo/features/types/ext-json.txt
@@ -0,0 +1 @@
+https://www.mongodb.com/docs/manual/reference/mongodb-extended-json/
diff --git a/db/nosql/mongo/features/types/types.txt b/db/nosql/mongo/features/types/types.txt
new file mode 100644
index 000000000..75d17edde
--- /dev/null
+++ b/db/nosql/mongo/features/types/types.txt
@@ -0,0 +1 @@
+https://www.mongodb.com/docs/manual/reference/mongodb-extended-json/