This document discusses low-cost options for online professional development including using Twitter, MOOCs, blogs, RSS feeds, podcasts, and LinkedIn. It notes that traditional professional development can be high cost and time intensive, requiring travel, while online options are often lower cost and allow for asynchronous learning. These online tools provide opportunities to engage with a larger professional community, improve skills, and stay up-to-date in one's field of expertise while saving both time and money for individuals and institutions.