The social media fan base is an asset for such people, most of them are in the entertainment domain. People related to fashion and entertainment domain can monetize their Instagram page. You can check the fan base of BhakSala, Gabbar Singh and StoryPick, and you can imagine how valuable those can be for any company who want to advertise on such pages.
No doubt these points are great indicators for students in earning some money from internet in their spare time. But if you are able to add moe details into each job type like how students can use each of these website in earning money will be really beneficial for them. You can take an example of any job type like article writing and how they can use any website of this type with their skills in earning some money.