Best learning app ever
The best learning app I've seen in my entire life, a lot of great courses, both for a recap of what you already knew and also for learning new concepts extremely fast, easily and well. They also have the Review part where you get quizzes from earlier completed courses, a lifesaver for an average (at most) memory like mine, and the hands-on exercises for software like Snowflake or Tableau was extremely well designed and great, you had virtual machines that ran perfectly and I completed the exercises without a single issue.