Marketing involves creating customer needs and satisfying them through sales. The objectives of marketing are to maximize consumption, expand options, ensure customer satisfaction, and achieve profitability. Marketing channels include offline and online strategies. Offline marketing uses tactics like leaflets, coupons, discounts, standees, and events to directly engage customers in stores. Digital marketing was first used in 1990 and involves promoting products through electronic media like websites, apps, social media, emails, and messages. Common online tools and strategies for Photoexpress include its website, Groupon deals, bulk emails, Facebook ads and engagement, and integrating online and offline approaches.