One constant practise I made my marketing team at PW do is, all ad copies to be written in hinglish, all ad copies should have alakh sir picture and only target North market.
Our CPL decreased by 40% , voila :)
You see big companies like apple, tesla, Samsung has some great ad copies written. While seeing those ads, I saw one major element that plays a huge role in making their ads reaching globally.
If you want to write copy like those brands, Answer this