
I like how the questions are posed in different ways as the review sessions go on. This prevents the learner from memorizing the position of the answer or being able to pick the right answer out of a set rather than actually knowing the answer. Review collected by and hosted on G2.com.
It's cost-prohibitive for a class that wants to use it as part of the learning rather than for a large chunk of the course. Review collected by and hosted on G2.com.