People are increasingly downloading ad blockers and ignoring traditional radio and TV commercials. At the same time, they've come to trust recommendations from influencers as much as ones they get from their friends.

Businesses are responding by adopting or expanding their influencer marketing programs at an equally fast pace. Interest in influencer marketing has exploded in the past few years, nearly doubling year over year. It's no surprise that Instagram, the original influencer marketing platform, is set to reach 1 billion users in 2018.

Influencer marketing is hot, hot, hot right now, but is that about to change? What exactly does the future hold for influencer marketing?