This document discusses various digital media options for advertising, including emerging options like internet, mobile, and online magazines. It also summarizes the major forces shaping the digital age like digitalization, the internet explosion, and new types of intermediaries. The document then covers marketing strategy in the digital age, including e-business, e-commerce, and e-marketing. It discusses benefits of e-commerce for both buyers and sellers. Finally, it touches on the promise and challenges of e-commerce.