Mobile marketing used to feel separate because phones worked very differently from computers. Today, most people use phones for browsing, shopping, and social media, so mobile fits inside digital marketing. Websites, ads, and emails must work well on small screens because that is where users spend time. Planning without mobile in mind can miss many users. Still, mobile has special needs like screen size and speed. Thinking mobile first often makes everything better. Do others see mobile as its own plan or part of the whole?