The tool allows my team to be able to train our employees quickly and easily without having them have to go through the hassle of downloading software or going online. I love that it can also be used for internal use as well! It's easy to navigate and customize to fit your needs. Nothing really. We've been using this product since 2014 so we haven't had many issues yet. If you're looking for an easy way to train your staff then definitely check out curriculum! You won't regret it. Training new hires and updating existing workers on best practices regarding cybersecurity.