diff --git a/rust-intro.org b/rust-intro.org
index b1419f7..ef3b0e3 100644
--- a/rust-intro.org
+++ b/rust-intro.org
@@ -31,7 +31,7 @@
 ** Abstract
    #+BEGIN_CENTER
    #+LaTeX:\includegraphics[width = 0.5\textwidth]{img/Bruine_roest_op_tarwe_(Puccinia_recondita_f.sp._tritici_on_Triticum_aestivum).jpg}
-   [fn:1]
+   [fn:rust_fungus]
    #+END_CENTER
 
 *** Rust, the language
@@ -43,7 +43,7 @@
       of idiomatic C++
     - A well designed language and ecosystem
 
-** Strengths and Weaknesses[fn:2]
+** Strengths and Weaknesses[fn:strengths]
 *** Things Rust does measurably really well (Strengths)
     - Compiled code [[https://benchmarksgame-team.pages.debian.net/benchmarksgame/which-programs-are-fastest.html][about same performance as C / C++]], and excellent
       [[https://dl.acm.org/doi/10.1145/3136014.3136031][memory and energy efficiency]].
@@ -52,28 +52,28 @@
     - Strong type system prevents [[https://doc.rust-lang.org/nomicon/races.html][data races]], brings [[https://blog.rust-lang.org/2015/04/10/Fearless-Concurrency.html]['fearless
       concurrency']] (amongst others).
     - Seamless C interop, and [[https://doc.rust-lang.org/rustc/platform-support.html][dozens of supported platforms]] (based on
-      LLVM).[fn:4]
+      LLVM).[fn:gcc]
     - [[https://insights.stackoverflow.com/survey/2021#technology-most-loved-dreaded-and-wanted]["Most loved language"]] for 6 years in a row.
     - Modern tooling: ~cargo~ (builds just work), ~clippy~ (450+ code
       quality lints), ~rustup~ (easy toolchain management).
 
-** Strengths and Weaknesses[fn:3]
+** Strengths and Weaknesses[fn:weaknesses]
 *** Points you might run into (Weaknesses)
-    - Steep learning curve[fn:5] compiler enforcing (esp. memory)
+    - Steep learning curve[fn:survey] compiler enforcing (esp. memory)
       rules that would be "best practices" elsewhere.
     - Missing Rust-native libs in some domains, target platforms
-      (esp. embedded), IDE features.[fn:5]
+      (esp. embedded), IDE features.[fn:survey]
     - Longer compile times than "similar" code in other
-      languages.[fn:5][fn:6]
+      languages.[fn:survey][fn:compiler_speed]
     - No formal language specification, can prevent legal use in some
-      domains (aviation, medical, ...).[fn:7]
+      domains (aviation, medical, ...).[fn:specification]
     - Careless (use of ~unsafe~ in) libraries can secretly break
       safety guarantees.
 
 ** Problems and security Rust tries to conquer
    #+BEGIN_CENTER
    #+LaTeX:\includegraphics[width = 0.8\textwidth]{img/compiler_complaint.png}
-   [fn:8]
+   [fn:xkcd_dangling_pointer]
    #+END_CENTER
 
    - Dangling pointers / memory safety
@@ -405,12 +405,12 @@
    - esp32
 
 * Footnotes
-[fn:1] [[https://commons.wikimedia.org/wiki/File:Bruine_roest_op_tarwe_(Puccinia_recondita_f.sp._tritici_on_Triticum_aestivum).jpg][Wikimedia]]
-[fn:2] Copied list from: [[https://cheats.rs/#tab-hello-3][cheats.rs]].
-[fn:3] Copied list from: [[https://cheats.rs/#tab-hello-4][cheats.rs]].
-[fn:4] Work on GCC: [[https://rust-gcc.github.io/][rust-gcc]] and [[https://news.ycombinator.com/item?id=27775544][gcc rust backend]].
-[fn:5] [[https://blog.rust-lang.org/2020/04/17/Rust-survey-2019.html#why-not-use-rust][Rust survey]]
-[fn:6] [[https://news.ycombinator.com/item?id=23538220][The Rust compiler isn't slow; we are]]
-[fn:7] [[https://people.mpi-sws.org/%7Ejung/thesis.html][Understanding and Evolving the Rust Programming Language]]
-[fn:8] https://xkcd.com/371/
-[fn:9] [[https://areweideyet.com/][areweideyet.com]]
+[fn:rust_fungus] [[https://commons.wikimedia.org/wiki/File:Bruine_roest_op_tarwe_(Puccinia_recondita_f.sp._tritici_on_Triticum_aestivum).jpg][Wikimedia]]
+[fn:strengths] Copied list from: [[https://cheats.rs/#tab-hello-3][cheats.rs]].
+[fn:weaknesses] Copied list from: [[https://cheats.rs/#tab-hello-4][cheats.rs]].
+[fn:gcc] Work on GCC: [[https://rust-gcc.github.io/][rust-gcc]] and [[https://news.ycombinator.com/item?id=27775544][gcc rust backend]].
+[fn:survey] [[https://blog.rust-lang.org/2020/04/17/Rust-survey-2019.html#why-not-use-rust][Rust survey]]
+[fn:compiler_speed] [[https://news.ycombinator.com/item?id=23538220][The Rust compiler isn't slow; we are]]
+[fn:specification] [[https://people.mpi-sws.org/%7Ejung/thesis.html][Understanding and Evolving the Rust Programming Language]]
+[fn:xkcd_dangling_pointer] [[https://xkcd.com/371/][xkcd.com/371]]
+[fn:areweideyet] [[https://areweideyet.com/][areweideyet.com]]