Summarize the conclusions from #16866

wiki/src/contribute/how/documentation/release_notes.mdwn

@@ -95,9 +95,10 @@
       - Add a picture, for example a screenshot from the release notes
         or the documentation.
     - Schedule tweets using [TweetDeck](https://tweetdeck.twitter.com/).
-      - For example, tweet 3-4 times every 2-4 weeks on different days.
+      - For example, 3 tweets across 6 months for new cool stuff, and
+        even a few more tweets for very important features.
       - Hours that might give a good coverage in Europe, the US (East
         and West coast), and a bit of South-East Asia are 12:00 and
-        18:00 UTC.
+        18:00 UTC. 18:00 performs a bit better than 12:00.
       - My understanding is that TweetDeck displays the time as it is on
         your computer, so UTC if you are in Tails.