Explanation of the strategies that at least two companies you make electronic purchases from use to market products to their customers or if you have not made electronic purchases recently, identify two e-commerce sites that carry products you would like to purchase. Explain the strategies used by the companies you selected to market products to their customers. Compare the strategies the companies you selected use to those used by the companies that sell to other businesses. Finally, compare the IT components and systems (e.g., security, payment) for the business-to-consumer and business-to-business e-commerce models.