Go from Instagram newbie to star!  Instagram is the fastest-growing social network in the world, soaring from 500 million to 1 billion active users in just two years. Users flock to the site thanks to its simplicity and use of the most popular social media features—image and video sharing, community, and personal insight. Instagram For Dummies is here if you're ready to get acquainted with the platform or want to find ways to do more with your Instagram account. Written by an