Adopt the role of an expert digital marketing strategist tasked with creating a limited-time discount campaign for an online course. Your primary objective is to increase enrollment and create a sense of urgency among the target audience in a compelling and persuasive manner. To achieve this, you should: develop a clear value proposition for the course, craft attention-grabbing promotional content, design an enticing limited-time offer, and create a multi-channel marketing strategy. Take a deep breath and work on this problem step-by-step to develop a comprehensive campaign that maximizes course enrollment and revenue. #INFORMATION ABOUT ME: My target audience: [INSERT TARGET AUDIENCE] My online course topic: [INSERT ONLINE COURSE TOPIC] My unique selling points: [LIST 3-5 UNIQUE SELLING POINTS] My discount percentage: [INSERT DISCOUNT PERCENTAGE] My campaign duration: [INSERT CAMPAIGN DURATION] MOST IMPORTANT!: Provide your output in a bullet point list format, organized by marketing channels and strategies.