Clone<T>()

/// <summary>
/// Makes a copy from the object.
/// Doesn't copy the reference memory, only data.
/// </summary>
/// <typeparam name="T">Type of the return object.</typeparam>
/// <param name="item">Object to be copied.</param>
/// <returns>Returns the copied object.</returns>
public static T Clone<T>(this object item)
{
	if (item != null)
	{
		BinaryFormatter formatter = new BinaryFormatter();
		MemoryStream stream = new MemoryStream();

		formatter.Serialize(stream, item);
		stream.Seek(0, SeekOrigin.Begin);

		T result = (T)formatter.Deserialize(stream);

		stream.Close();

		return result;
	}
	else
		return default(T);
}

Customer customerCopy = customer.Clone<Customer>();