Microtraining. E-learning Web 2.0 Tools and Applications on Go2Web20. Learning 2.1: Explore ... Discover ... Play. Edtechpost » PLE Diagrams. A Collection of PLE diagramsNOTE: You can log in with the guest account (edtechpost_guest, same password) to add your own PLE image to the wiki or email them to me at firstname.lastname@example.org.