diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+## OS stuff
+.DS_Store
+
+## IDE stuff
+.idea
+
+## Output
+out/
\ No newline at end of file
diff --git a/README.md b/README.md
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+++ b/README.md
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+# SPoNgEBoB
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fcalini%2Fspongebob.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fcalini%2Fspongebob?ref=badge_shield)
+
+Simple project for converting normal text to sPonGeBOb tExT
+
+It uses _CUTTING EDGE™_ technology like *MARKOV CHAINS* to generate REALISTICⓇ SPonGeBoB text.️
+
+## Getting it
+```sh
+go get -u github.com/calini/spongebob
+```
+
+## Using the CLI
+
+```sh
+spongebob "hello world"
+> hELlO wOrlD
+```
+
+## Building it manually
+```sh
+go build -o ./spongebob
+
+./spongebob "hello world"
+> hELlO wOrlD
+```
+
+## Using it as a library
+```go
+package main
+
+import (
+	"fmt"	
+	
+	"github.com/calini/spongebob"
+)
+
+func main() {
+    fmt.Println(spongebob.Text("Hello world!"))
+}
+```
+
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fcalini%2Fspongebob.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fcalini%2Fspongebob?ref=badge_large)
\ No newline at end of file
diff --git a/go.mod b/go.mod
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--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/calini/spongebob
+
+go 1.13
diff --git a/main.go b/main.go
new file mode 100644
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--- /dev/null
+++ b/main.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/calini/spongebob/spongebob"
+	"os"
+	"strings"
+)
+
+func main() {
+	// if string passed as param, return them
+	if len(os.Args) >= 2 {
+		for i := range os.Args {
+			os.Args[i] = spongebob.Text(os.Args[i])
+		}
+		print(strings.Join(os.Args[1:], " "))
+		os.Exit(0)
+	}
+
+	// else, get stdin
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		fmt.Println(spongebob.Text(scanner.Text()))
+	}
+}
diff --git a/spongebob/text.go b/spongebob/text.go
new file mode 100644
index 0000000..d944ed7
--- /dev/null
+++ b/spongebob/text.go
@@ -0,0 +1,37 @@
+package spongebob
+
+import (
+	"bytes"
+	"math/rand"
+	"time"
+	"unicode"
+)
+
+func init() {
+	rand.Seed(time.Now().UTC().UnixNano())
+}
+
+// Text transforms a normal string into A spOnGEbOb sTrINg
+func Text(str string) string {
+	var result bytes.Buffer
+	upper := false
+
+	for _, c := range str {
+		if unicode.IsLetter(rune(c)) {
+			// instead of flipping a coin every time,
+			// we create a poor man's Markov chain
+			if rand.Float32() < 0.6 {
+				upper = !upper
+			}
+
+			if upper {
+				c = unicode.ToUpper(rune(c))
+			} else {
+				c = unicode.ToLower(rune(c))
+			}
+		}
+		result.WriteRune(c)
+	}
+
+	return result.String()
+}
diff --git a/spongebob/text_test.go b/spongebob/text_test.go
new file mode 100644
index 0000000..b5aee43
--- /dev/null
+++ b/spongebob/text_test.go
@@ -0,0 +1,16 @@
+package spongebob
+
+import (
+	"strings"
+	"testing"
+)
+
+// TestText checks that transformation is happening without ruining context
+func TestText(t *testing.T) {
+	input := "Hello world!"
+	result := Text(input)
+
+	if !strings.EqualFold(input, result) {
+		t.Errorf("Should have same content except capitalisation: \"%s\" - \"%s\"", input, result)
+	}
+}