The great advantage to conversations in person is that there is the ability for that conversation to be forgotten. And forgotten not only by your interlocutor(

The great advantage to conversations in person is that there is the ability for that conversation to be forgotten. And forgotten not only by your interlocutor(s), but also by yourself. When you put it out in public online, it might persist unaltered for years or even decades. My most upvoted comments under an old pseudonym on YouTube caused me to decide to never, ever look up old posts on Usenet.