Shell Oil has developed a digital communication plan to target US drivers and increase brand awareness, loyalty, and sales. The plan involves web marketing like banners and Google AdWords, maintaining a presence on social media platforms, developing a mobile app for locating gas stations and managing rewards, publishing internal and external blogs, and measuring results with tools like Google Analytics. The budget is $246,000 over 6 months to implement strategies like social media updates daily, blog posts daily/weekly, app updates weekly, and SEO optimization weekly.