Coursera is a nice platform however some of the low feedbacks here are just IDI000TS. USE THE HELP CENTER BEFORE PUTTING YOUR CARDS. KNOW THE BASIC INFORMATION ON HOW THE PAYMENT WORKS. USE YOUR EYES NOT YOUR MOUTH. WHAT IS THE PURPOSE OF RESEARCH SKILLS IF YOU CAN'T EVEN DO IT RIGHT IN THE FIRST PLACE. CHATGPT EVEN KNOWS COURSERA BETTER THAN YOU