It is true that likes can be obtained at free will on Instagram. What is being talked about is buying likes which is a common phenomenon on the social media. What drives people to buy likes can be understood by analyzing the way social media is perceived by people. There is a common belief that the number of likes you garner on Instagram is a direct reflection of your popularity. The popularity is also a measure of the authority of your online presence. And here lies the reason why people are crazy about buying likes.