Hashtag AuthenticInstagram is the fastest growing of all social media platforms, with 400 million monthly active users worldwidehalf of whom are under the age of twenty five. While some use the app as a personal networking tool, many also use it to build their creative business endeavours, whether in food and drink or fashion and lifestyle. Sara Tasker has done just that, and since setting up her account whilst on maternity leave in 2013, has become an Instagram