Add alternative timeline views to readme/makefile

Makefile

@@ -15,5 +15,11 @@ refresh:
 repost:
 	git cherry-pick $(p)
 
-timeline:
+timeline-graph:
 	git log --graph --all --decorate --oneline
+
+timeline:
+	git rev-list --all --remotes --pretty | less
+
+timeline-short:
+	git log --format="format:%Cred%cd %Cblue%h %Cgreen%cn%Creset: %s" --all --date=iso-local

README.md

@@ -39,7 +39,7 @@ git remote add <git name> <their fork of diracdelta's repo>
 git fetch <git name>
 ```
 
-* to follow everybody:
+* to follow everybody using GitHub:
 `./follow-everybody.bash`
 
 
@@ -55,12 +55,19 @@ git cherry-pick <their commit hash>
 git fetch --all && git rev-list --all --remotes --pretty | less
 ```
 
-* to view your timeline in a cool way:
+* some alternative ways to view your timeline (use `git show <commit hash>` to
+  show the full "tweet"):
 ```
+git log --format="format:%Cred%cd %Cblue%h %Cgreen%cn%Creset: %s" --all --date=iso-local
 git log --graph --all --decorate --oneline
 ```
 
-* to get verified:
+* to get verified (GitHub-only):
 
 1. [follow github's own verification instructions and make your commit email match your GPG key email](https://docs.github.com/en/authentication/managing-commit-signature-verification/about-commit-signature-verification)
 2. `git commit -S -m "your post" --allow-empty` from now on
+
+* to encrypt a message:
+
+see `encrypt using the public key of a github user` in https://sshenc.sh/ or
+use your favorite key distribution mechanism to get their public key.