Facebook: Everyone knows me. I am me
Twitter: Some people know me. I am a persona based on me
Mastodon: Nobody knows me. I am a transient, sentient beam of ultraviolet light
@Pedalville I seem to recall reading a book where there was one alien species that was a sentient version of the colour blue. Any relation?
@Gargoylezoo That would be the Hooloovoo.