One has heard about personal learning networks (PLNs), but what are they and how are they different than professional learning communities (PLCs)? Find out how PLNs can help a teacher pursue his/her own professional interests and be a better teacher. This article answers questions related to PLNs such as: (1) What are personal learning networks?; (2) Why are they important?; (3) What is the most important thing to know about PLNs?; (4) What is the most common misconception about PLNs?; (5) How can a teacher incorporate PLNs into his/her professional practice?; (6) Where can a teacher get more information about PLNs?; and (7) What should teachers watch for next?