Instagram has proven over and over again to be an extremely powerful business building tool for all types of businesses — especially photographers. Photoshelter.com is offering a pretty awesome and fairly comprehensive little guide on how to utilize the very best of Instagram to build your photography business and gain followers. It’s called the “Photographer’s Guide to Instagram”. You have to submit your email address and they’ll send you a copy. It’s a great read. You can sign up and check it out here.