This document discusses Krisia Yamileth Moran Centeno's personal learning network. It explains that a personal learning network allows sharing, researching, commenting on, and updating information through technology. It mentions that social networks like Twitter and blogs can be used to exchange information and comments. Modern social networks allow sharing, expressing oneself, keeping in touch with others, and creating groups to share information on subjects. Communication tools like Skype, Hotmail, and WebQuests can also help learn vocabulary, pronunciation, and teach information to students by sharing it online.