diff --git a/public/img/mudasir.jpg b/public/img/mudasir.jpg
new file mode 100644
index 0000000..526b721
Binary files /dev/null and b/public/img/mudasir.jpg differ
diff --git a/src/pages/api/std/Array/map.mdx b/src/pages/api/std/Array/map.mdx
new file mode 100644
index 0000000..efaa3b3
--- /dev/null
+++ b/src/pages/api/std/Array/map.mdx
@@ -0,0 +1,43 @@
+---
+layout: ../../../../layouts/ApiLayout.astro
+---
+import Code from "../../../../components/Code.astro"
+
+# `Array.map`
+
+Applies a function to all the elements of an array,
+and returns their result in a new array.
+
+## Signature
+
+<Code thpcode={`
+    fun [A, B](Array[A] self) map(
+        (A) -> (B) map_function
+    ) -> Array[B]
+
+    fun map[B](
+        self[],
+        (A) -> (B) map_function
+    ) -> Array[B]
+`} />
+
+
+
+<Code thpcode={`
+
+fun multi_def
+| ("prosor prosor", 322) -> Float
+{
+    fmt.Println("prosor prosor %d", 322)
+}
+| (String a, Int b) -> Float
+{
+
+}
+| (String a) -> Float
+{
+
+}
+
+`} />
+
diff --git a/src/pages/learn/index.mdx b/src/pages/learn/index.mdx
index fe9bedf..5b59ff1 100644
--- a/src/pages/learn/index.mdx
+++ b/src/pages/learn/index.mdx
@@ -144,11 +144,13 @@ and plugins for major editors like VSCode and Neovim.
 - Create a **consistent** language.
 - Have typings for popular libraries (like TS's `.d.ts`).
 - Have a simple instalation and configuration (requiring just Composer or a binary).
-- Ship a **_blazingly fast_**, native binary, written in Rust.
+- Ship a **_blazingly fast_**, native binary, ~~written in Rust~~ now rewritten in Zig!.
 - Support in-place compilation.
 - Implement a Language Server.
 - Implement an opinionated code formatter.
 
+![Friendship ended with Rust, now Zig is my best friend.](/img/mudasir.jpg)
+
 
 ## Not goals
 
diff --git a/src/pages/learn/install.md b/src/pages/learn/install.md
index 7cdc94c..39aeae7 100644
--- a/src/pages/learn/install.md
+++ b/src/pages/learn/install.md
@@ -5,7 +5,16 @@ title: Install
 
 # Install
 
-**THP is not available for public use. These are goals.**
+**THP is technically usable.**
+
+## From source (*nix)
+
+Requires Rust installed.
+
+Clone [the repo](https://git.araozu.dev/fernando/thp) and run
+`cargo build --release`. You'll have a `thp` binary on
+`target/release/thp`, run it and see for yourself.
+
 
 ## Binary