Things that can make an advertisement effective

Nowadays advertising is experienced by successful companies to achieve more sales. And I think there are several useful ways which can make it effectively, also I have a personal conviction that advertising is good thing for society.
In my opinion, choosing the right image for the product and the attractive words for customers make an efficiency of advertisement in social media such as Telegram, Instagram and Facebook. Because through the things above craving for purchase arises . Images help to make an obvious shape of product, words make a desire for buying. Short words, however, are the right choice in this way. That’s to say it, today customers do not want read and pay attention to long reads.
Things that can make an advertisement effective:

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  Images
  
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  Famous people
  
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  Short words
  

Why do I think that ad is good for society

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  It makes an awareness about something is existent that people need
  
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  People are informed about its appearance, price, and location