Instagram recently rolled out a cool new update. It allowed its users to follow their favorite hashtags. How to Follow Hashtags 1. use the search button and type the hashtag. 2. as soon as the hashtag result is displayed you will see a follow button. 3. Simpy click the button and that's it. You will begin to see updates about the hashtag in your timeline along with the accounts that you follow. Some Other things You can Do with Hashtags: You can view hashtag stories and you will be able to check what hashtags other people are following in their profile