This document discusses 21st century learning trends such as open educational resources (OERs), massive open online courses (MOOCs), and open and distance learning. It notes that technologies like the internet, smartphones, and tablets have changed higher education by enabling more interactive, collaborative, and student-centered learning. OERs and MOOCs in particular have grown in popularity by allowing open access to educational content online. The document also outlines some benefits and challenges of open and distance learning, and speculates about future trends in educational technology.