Quick Base will be ending support for browsers Microsoft Internet Explorer 9 and 10 on March 31st, 2018. As these browser versions are not supported by Microsoft, they pose increasing security risks to their users and organizations. For more information, check out their blog.
We run schools and have a hierarchical organization: we have children, who work with multiple teachers, in multiple classrooms, across multiple schools. Data Collaborative reflected that nested structure in Quick Base, making it intuitive and easier to use.