Courses from multiple trainers are courses that have been randomly gathered from the industry. The trainers represent specialisations in marketing, e-commerce, social media, and mindfulness. They are lesser experts in the industry but great experts in the field.
Most of the courses from multiple trainers are free for everyone to get the basics in the field before stepping into industry-specific insights.
If you are new to the industry and the fields, it is always recommended to take the free lessons from the field specialists first.