This document discusses digital marketing and global digital trends from 2005-2015. Some key points: - Internet usage grew globally from around 30% in 2005 to over 42% in 2015. - Mobile phone usage also increased dramatically, accounting for over 33% of total web traffic in 2015. - The four main steps of a successful inbound marketing campaign are to attract strangers, convert visitors into leads, close leads into customers, and delight customers to become promoters.