All you have to do is get a smart phone, download the Instagram App, and sign up in less than 2 minutes. There are all kinds of users on Instagram, from your favorite artist, to your favorite name brand, to your best friends. You can simply click the follow button and you can see what they post and see what the world is up to. It is also very easy to use if your starting a business, anyone can post pictures of their services or products and can receive feedback from established and a new fan base. The more pictures with hash tags that relate to each other, the more followers, which means more activity in your Instagram business.