Personalization and Recommendation Systems: Leveraging Machine Learning Algorithms to Offer Personalized Product Recommendations and Content to Customers Based on Their Behavior, Preferences and Purchasing History Sungho Kim 1, Sunyong Lee 2, Debabrata Biswas 2, MD Shahnawaj 2, Niaz Mahmood Kyoom 2 and Parvati Bhardwaj 2 1 Korea University, Korea, 2 Pacific States University, United States