Advercast is a B to B ad monitoring service that provides quantitative and qualitative real time intelligence. It also measures press, radio and TV advertising budgets according to industries, advertisers, trademarks and products. In France alone, it monitors over 250 medias. Advercast makes it easy to analyse advertising strategies and track commercial inventories. It positions media networks and advertisers against their competitive environments. Thus for any given campaign, Advertcast displays the broadcasting schedule in real time and calculates the corresponding investments. Results can then be interrogated via YACAST's secured and interactive internet site.