In the last class, we learned how to survey using google. When I want members of 3A to answer my question, I can receive answers easily. Though Rab intended to explain about zotero, because some of us did not write on e-portfolio we could not receive explanation. In exchange for that, he explain about Birk and Birk. Medias attempt to influence inconspicuously. Therefore, I will try to receive carefully pieces of information from media.