Google+ was chosen as the person's PLN (personal learning network) because it allows easy discovery of content and groups related to various interests like education, science and technology. The document then lists several Google+ pages that provide educational resources - one focused on the role of technology in education, one providing digital content for teachers and students, and one sharing news and articles about education globally. It concludes by stating that being part of Google+'s education community has provided endless knowledge and resources, and the person will continue expanding their PLN on Google+ through following more groups, sharing posts, and finding new ways it can aid their professional development.