This basic outline is easy for students to read and understand. I would first ask students to brainstorm rules for each online media type, and then show this infographic. This would help the students by showing them what they missed and possibly by adding on to the list they are shown.
A big part of social media etiquette is keeping oneself and others safe. Like some of the other infographics, I might first ask students to brainstorm ideas for safety on social media. then I would show the infographic and compare their answers with it.
This is an important tool that could be used to self check before posting. If I were integrating social media in my classroom, I would definitely go over these checks before I got them started. This could even be made into a poster to put in a classroom where social media is used to serve as a reminder.