diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
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 # JavaScript Algorithms And Data Structures
+## JavaScript based examples of many algorithms and data structures.
+☝ Note that this repository is meant to be used for learning and researching purposes only.
+
 What you will learn in here.
 
 Technical:
diff --git a/section-big-o/o-n-001.js b/section-big-o/o-n-001.js
new file mode 100644
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+++ b/section-big-o/o-n-001.js
@@ -0,0 +1,16 @@
+const fish = ['dory', 'bruce', 'marlin', 'O_n-001'];
+const single = ['O_n-001'];
+const everyone = ['dory', 'bruce', 'marlin', 'O_n-001', 'gill', 'bloat', 'nigel', 'squirt', 'darla', 'hank'];
+const large = new Array(100000).fill('O_n-001');
+
+
+function findSpecificNameFromArray(array) {
+    for (let index = 0; index < array.length; index++) {
+        const element = array[index];
+        if (element === 'O_n-001') {
+            console.log('Found O_n-001');
+        }
+    }
+}
+
+findSpecificNameFromArray(single); // O(n) ----> Linear Time
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diff --git a/section-big-o/sample-002.js b/section-big-o/sample-002.js
deleted file mode 100644
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--- a/section-big-o/sample-002.js
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-// Hello world
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