diff --git a/basics.html b/basics.html
index 1dea80106935352aebc086d46270dfbfdffc3e20..2234d73402875c35786a65958b86a47e3bc7b07b 100644
--- a/basics.html
+++ b/basics.html
@@ -43,6 +43,14 @@
             - collaborate!
           </section>
 
+          <section id="intro-agenda" data-markdown>
+            ## agenda
+
+            1.  intro and installation
+            1.  setup and local repositories
+            1.  remote repositories and collaboration
+          </section>
+
           <section id="intro-version-control" data-markdown>
             ## about version control
 
@@ -258,35 +266,50 @@
         </section>
 
         <!---------------------------------------------------------------------
-        <!-- basic command line usage
+        <!-- install and setup
         <!-------------------------------------------------------------------->
 
         <section>
-          <section id="setup" data-markdown>
-            # setup
+          <section id="install" data-markdown>
+            # install
+          </section>
+
+          <section id="setup-os-packages" data-markdown>
+            ## os packages
+
+            - **Linux:** `bash` and `git`
+            - **Mac:** `bash` and `git`
+            - **Windows 10+:** `WSL`
+            - **Windows < 10:** `cmder`
 
             notes:
-            - installation
-            - configuration
+            - [Windows Subsystem for Linux](https://en.wikipedia.org/wiki/Windows_Subsystem_for_Linux)
+            - who needs install? others can go instant break
           </section>
+        </section>
 
-          <section id="setup-cli" data-markdown>
-            ## command line
+        <section id="break-1" data-markdown>
+          # break
+
+          notes:
+          - keep break short, only for installation
+          - hand out cheat sheets
+        </section>
 
-            - Ellen Ripley uses command line
-            - Chuck Norris uses command line
+        <section>
+          <section id="setup" data-markdown>
+            # setup
           </section>
 
-          <section id="setup-os-packages" data-markdown>
-            ## os packages
+          <section id="setup-cli" data-markdown>
+            ## command line
 
-            - **Linux:** bash and git
-            - **Mac:** bash and git
-            - **Windows 10+:** WSL
-            - **Windows < 10:** cmder
+            ![staging area](img/matrix-pill.jpg)
 
             notes:
-            - WSL = [Windows Subsystem for Linux](https://en.wikipedia.org/wiki/Windows_Subsystem_for_Linux)
+            - learn by doing / understand what you do
+            - gui hides too much of that
+            - use gui if gui helps workflow
           </section>
 
           <section id="cli-description" data-markdown>
@@ -351,9 +374,6 @@
           <section id="cli-basic" data-markdown>
             # git command line
             ## local repositories
-
-            notes:
-            - hand out cheat sheets NOW
           </section>
 
           <section id="cli-create-repository" data-markdown>
@@ -369,6 +389,15 @@
             cd path/to/project
             git init
             ```
+
+            notes:
+            - for this tutorial we are creating a new repository
+            - mkdir ~/projects
+            - git init hello
+            - README.md
+            - src/hello.lang
+            - for #homework you init your existing projects *without* version
+              control
           </section>
 
           <section id="cli-git-status" data-markdown>
@@ -392,6 +421,15 @@
             ### the staging area
 
             ![staging area](img/staging-area.svg)
+
+            notes:
+            - can I have your attention, please?
+            - content can be in three stages
+            - we make changes, these are not yet known to git
+            - we prepare a commit by **successively** adding changes to the
+            staging area
+            - we commit this **set of changes**
+            - a commit **should be a logical unit** of changes
           </section>
 
           <section id="cli-git-files" data-markdown>
@@ -410,6 +448,11 @@
             git mv source destination
             git rm file
             ```
+
+            notes:
+            - git stage git add are the same thing
+            - prefer stage and unstage because the opposite of add is remove
+              and that does something entirely different
           </section>
 
           <section id="cli-git-diff-1" data-markdown>
@@ -432,15 +475,42 @@
 
             ```bash
             # opens editor for you to edit commit message
-            git commit
+            git commit [-v]
 
             # commits with a short message
-            git commit -m 'adds license and readme'
+            git commit -m 'initial commit'
             ```
           </section>
 
-          <section id="commit-message-conventions" data-markdown>
-            ## TODO
+          <section id="commit-messages-xkcd" data-markdown>
+            ## commit messages
+
+            ![software licenses](img/xkcd-1296-git-commit.png)
+          </section>
+
+          <section id="commit-messages-example" data-markdown>
+            ## commit messages conventions
+
+            ```markdown
+            this is a short subject line
+
+            This is the body. Notice that the subject line is short
+            and to the point. The body may explain in more detail why
+            this change was introduced.
+
+            - don't list which files changed
+            - the diff already tells that
+
+            References to issue trackers should be in the very end,
+            e.g.: fixes #42
+            ```
+
+            notes:
+            - be concise
+            - empty line after subject
+            - wrap 72 characters
+            - remember: commit = logical unit
+            - the diff tells you what changed, describe why it changed
           </section>
 
           <section id="cli-git-log" data-markdown>
@@ -461,34 +531,49 @@
             ```
           </section>
 
-          <section id="cli-demo-basic" data-markdown>
-            ## demo
-            ### basic commands
+          <section id="summary-1" data-markdown>
+            ## you can now
 
-            notes:
-            - mkdir ~/projects
-            - git init hello
-            - README.md
-            - LICENSE
-            - src/hello.py
+            - track changes in your projects
+            - browse your projects history
+            - show when and why which changes were made
           </section>
 
-          <section id="licenses-software" data-markdown>
-            ## software licenses
+          <section id="summary-2" data-markdown>
+            ## you can now
 
-            ![software licenses](img/license-chooser.svg)
+            > use git in **ALL** your projects
+            >
+            > -- goal 1 finished ✓
+          </section>
+        </section>
 
-            https://choosealicense.com
+        <!---------------------------------------------------------------------
+        <!-- licenses
+        <!-------------------------------------------------------------------->
+
+        <section>
+          <section id="licenses" data-markdown>
+            # project licenses
+            ## aka legal shit
+
+            notes:
+            - unfortunately, we have to talk about this
+            - go back to initial commit
+            - initial commit should contain not just readme but license, too
           </section>
 
           <section id="licenses-none" data-markdown>
             ## no license
 
             - exclusive copyright to **each!** author
-            - **no one** can use, copy, distribute and modify
-            - platform: terms of service
+            - **no one** can use, copy, distribute or modify
+          </section>
 
-            https://choosealicense.com
+          <section id="licenses-software" data-markdown>
+            ## software licenses
+
+            ![software licenses](img/license-chooser.svg)
           </section>
 
           <section id="licenses-other" data-markdown>
@@ -496,27 +581,16 @@
 
             - media, documentation: creative commons
             - paper / thesis: journal vs legal department
-
-            https://choosealicense.com
-          </section>
-
-          <section id="cli-cheatsheet" data-markdown>
-            # [cheat sheet](https://idiv-biodiversity.github.io/git-cheat-sheet/)
           </section>
 
-          <section id="cli-your-turn" data-markdown>
-            # your turn
-
-            - pick project
-            - make commits
-            - use status and diff!
+          <section id="licenses-choose" data-markdown>
+            ## guide
 
-            notes:
-            - deputize those who already have
+            https://choosealicense.com
           </section>
         </section>
 
-        <section id="break" data-markdown>
+        <section id="break-2" data-markdown>
           # break
         </section>
 
@@ -536,14 +610,21 @@
             - has all been local
             - repo contains entire project history
             - not yet answered:
-              - how to publish?
-              - how to contribute?
+              - how to use remotes
+              - how to collaborate
+
+            notes:
+            - collaboration needs remote repositories
+            - by-product of remotes is backup
           </section>
 
           <section id="distributed-remotes" data-markdown>
             ## remotes
 
             ![remotes](img/git-remote-solo.svg)
+
+            notes:
+            - remotes have names, default to origin
           </section>
 
           <section id="distributed-webapps" data-markdown>
@@ -552,24 +633,67 @@
 
             - GitLab demo
             - GitHub (no demo)
+
+            notes:
+            - log in
+            - create project
+            - push / pull
           </section>
+        </section>
 
-          <section id="distributed-remote-clone" data-markdown>
-            ## command line
-            ### clone repositories
+        <!---------------------------------------------------------------------
+        <!-- branch and merge
+        <!-------------------------------------------------------------------->
+
+        <section>
+          <section id="branch-merge" data-markdown>
+            # branch and merge
+
+            notes:
+            - what was this **master** again?
+          </section>
+
+          <section id="branches" data-markdown>
+            ## branches
 
             ```bash
-            # create local copy of existing repository
-            git clone https://github.com/user/project-name.git
+            # show your local branches
+            git branch
+
+            # show all branches (remotes, too)
+            git branch --all
+
+            # create a new branch
+            git branch name
+
+            # switch to a branch
+            git checkout name
             ```
+
+            notes:
+            - use wip/feature as branch name, see motivation playground
           </section>
 
-          <section id="distributed-your-turn" data-markdown>
-            ## your turn
+          <section id="merging" data-markdown>
+            ## resolving branches
 
-            - log in
-            - create project
-            - fetch / push / pull
+            ```bash
+            # resolve branch by merging
+            git checkout master
+            git merge branch-name
+
+            # delete branch
+            git branch -d branch-name
+            ```
+
+            notes:
+            - make changes in playground
+            - git push
+            - make changes in master
+            - git lol
+            - make changes in playground
+            - merge
+            - git lol
           </section>
         </section>
 
@@ -580,6 +704,9 @@
         <section>
           <section id="collab" data-markdown>
             # collaboration
+
+            notes:
+            - TODO talk about line endings
           </section>
 
           <section id="collab-" data-markdown>
@@ -615,6 +742,13 @@
             ... create repository in GitLab ...
 
             ... and commit changes!
+
+            notes:
+            - you will have problems
+            - because we only taught the basics
+            - use documentation or ask us
+            - the advanced seminar will be about some of the techniques
+            - TODO visualize these notes with angler vs fat deep sea fishing net
           </section>
 
           <section id="homework-collaborate" data-markdown>