Yeah! Instagram makes reaching out to your target audience much easier. Especially if you know your demographics. Let's say you offer services to a population with ages approximately 18-28 years old, which is the age of most Instagram users. In this case, you can say that Instagram is a good platform where you can market your products and services.
Niches which are rich in images are the ones who can market on Instagram the most.
Ecommerce sites can post there products through Instagram. Businesses which are selling shoes, bags, cosmetics and more can leverage the most.
Veterinarians, hospital clinics, and pet shops can also use this kind of social media to post cute images of their pets with their owners.
Restaurants. Foods. Date. Who should resist these kinds of pictures? Well if you are on resto business, mouth-watering menus, desserts, drinks are your best picture to post. You can also include happy customers eating.
Those in Fashion Industry can also use Instagram. Posting #OOTD (Outfit of the Day) both for men and women is already a trend.
Car business. Well cars. In any angle - will sure to gather likes for enthusiast.
Aside from these, there are still a lot of business can use this social media. All you got to have is a little resourcefulness and creativity to create an image out of scratch - such as typography, memes, micro-video, quote (with the help of quote generating tools online)