Consumer Electronic Giant Sony introduced Sony Vaio X, professing to be the world's slimmest portable notebook marked at Rs. 65000,approx giving tough competition to Apple Macbook Air.The new product,Sony Vaio X is half an inch thick and weighs 600 grams. Bollywood actress,Kareena Kapoor has been signed as the brand ambassador of the product because of the size zero figure she became famous for.This has been done to highlight the slimness of the notebook.