diff --git a/src/main.rs b/src/main.rs
index e69de29..b85352c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,8 @@
 fn main() {
-    println!("Hello, old world!");
+    println!("Hello, new world!");
     let x = 42;
     println!("The answer is {}", x);
 }
diff --git a/src/utils.rs b/src/utils.rs
index d2b535d..f824c3e 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -10,12 +10,24 @@
 pub fn process_data(data: &[u8]) -> Vec<u8> {
-    let mut result = Vec::new();
-    for &byte in data {
-        result.push(byte.wrapping_add(1));
-    }
-    result
+    // Optimized data processing implementation
+    let mut result = Vec::with_capacity(data.len());
+    for &byte in data {
+        if byte > 127 {
+            result.push(byte.wrapping_mul(2));
+        } else {
+            result.push(byte.wrapping_add(1));
+        }
+    }
+    // Additional check for padding bytes
+    if result.len() % 4 != 0 {
+        result.resize(result.len() + 4 - (result.len() % 4), 0);
+    }
+    result
 }
diff --git a/README.md b/README.md
index a1a1a1a..b2b2b2b 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,3 @@
 This is a highly efficient library built in Rust that focuses on speed and minimal memory footprint.
-It is designed to be lightweight and fast for all kinds of applications, particularly developer tools and wrappers.
+It is designed to be lightweight, fast, and extremely customizable for all kinds of applications, particularly high-performance developer tools, wrappers, and utilities.
