Instagram first came on the picture in the year 2010 and it was founded by Kevin Systrom and Mike Krieger, and now Facebook owns it. Now there are many things that make Instagram quite popular among the people and likes and followers are two of those things. http://smdude.com/buy-instagram-likes/
It’s a chance for brands to get outside of their comfort zone a bit and focus more on entertaining rather than selling. Great content is really effective at producing results. Influencers can help brands sell, without actually selling.