An observation based on my own interpretation of the three: As someone who doesn't use Facebook, I instinctively interpreted the Facebook Chat screenshot as a m

An observation based on my own interpretation of the three: As someone who doesn't use Facebook, I instinctively interpreted the Facebook Chat screenshot as a mobile-to-mobile communication medium. I interpreted the others as platforms that involve full-size keyboards. That alone makes the Facebook Chat conversation appear more laborious. I imagine the time that went into typing all of those words on a phone versus the comparatively effortless scenario of typing the same paragraphs of text on a regular computer. The different apparent expenditure of effort weighs significantly on my own judgment of the three.