Digital marketing utilizes all available digital channels to promote products and services or build digital brands. It has evolved along with the progression from the Agriculture Age to the Industrial Age to today's Digital Age. The digital age is characterized by speed, scale, and lower total costs. Digital marketing includes activities like websites, social media marketing, banner advertising, email marketing, mobile marketing, search engine optimization, pay-per-click campaigns, and content marketing. It impacts the traditional 4Ps of marketing by enabling digitized products, new forms of digital promotion, a global digital marketplace, and real-time dynamic pricing.