Guide to Australian Digital Sales Representation Agencies, Networks and Automated Buying Platforms - May 2011. This guide will evolve in line with this fast changing segment of the market. About Us: The MediaScope Advertising Directory is Aust's most comprehensive resource of niche, alternative and emerging media options with over 2,500 directory listings - and we're growing fast. We aim to aggregate increasing choice for agencies buyers, marketers and sme's in an ever evolving advertising landscape.