Southern Cross Austereo (SCA) publishes monthly digital ratings data sourced from Nielsen Online Ratings. The March 2015 ratings show: 1) SCA network traffic increased 126% year-over-year to 344,616 average daily unique browsers, driven by shows, social media, sports, celebrities, and mobile browsing. 2) Today's Hit Network traffic increased 148% to 234,348 average daily unique browsers, also driven by shows, social media, celebrities, and mobile browsing. 3) Triple M Network traffic increased 79% to 92,509 average daily unique browsers, driven by Australian rules football, rugby league, social media, and mobile browsing.