What does the company do well? Asana is a wonderful task management tool. It is simple enough for someone to jump in, but includes complex functionality to build out a useful product.
What does the company not do well? The inability to schedule out due dates with a template is big drawback. It's also a flexible system so that can be overwhelming.
What do you wish you had known about the company before using? It's important to figure out how your team best manages projects. It's not a one-size-fits-all kind of product so you'll want to implement in a way that the users will actually utilize.