[schoen]

I guess another way of phrasing the original article's claim is that although communities do form, they have no straightforward way to exclude strangers, interlopers, and even griefers: and except for incessant use of hashtags (which could eat up valuable space), there's no simple way for a person who is part of multiple communities to direct comments to only one community.

That's a recipe for both serendipity and uncomfortable moments (or worse) if someone has strong opinions on, say, computer science, religion, and animal rights. People who chose to follow them over one thing will constantly see their opinions on other things. That might be great under some circumstances because it will promote more interesting and broader discussions or lead people to learn about ideas that they wouldn't have naturally come across in their own filter bubble. But it might produce some serious disruption in the conversation too, especially if that person's views are offensive or upsetting to some readers.

I know a Twitter user writes a lot about computer science and a lot about sex and sexuality. I find both sets of posts frequently insightful, but the latter would be off-topic in a forum devoted only to computer science, and they do sometimes produce offense.

It seems like the best case for avoiding really bad forms of conflict is when a group of people tweet almost exclusively on a single topic that outsiders don't find upsetting or offensive (or simply don't know about). But a lot of people do want to have at least some discussions that others will inevitably be offended by, and the broadcast medium can be a challenge for that if you didn't want to get into it with the strangers (or for that matter have some of them insult you, threaten you, or even dox you).

[schoen]

An example: I remember a blog written by an Orthodox Jew on theology and also cultural and political issues within the Orthodox community.

Periodically commenters would come by who would take exception to gender relations in the Orthodox world, or to the idea that there is a God who created the world and revealed his will to the Jewish people, who are uniquely continuing to follow it. The author would ban these commenters. His theory was that people are entitled to debate those topics somewhere, but that he wanted to have productive discussions on his blog with people who shared his basic premises.

It's easy for me see two different points of view about this: that it creates a "filter bubble" of the sort described by Eli Pariser, where the Orthodox (and people with other beliefs, for that matter, in their own blog communities) never see their faith questioned, and have a subjective experience that their beliefs are "normal" and don't hear about the substance of criticisms or objections to them. Or that it actually allows discussions about the topics that the audience of that blog mainly wants to discuss, without having every single thread turn into a debate about the existence of God, whether the Torah is divine, and whether Orthodoxy should adopt gender egalitarianism.

I think one idea here is that Twitter only makes one of these two options practical: the one where every thread can conceivably go off in the direction of a bunch of strangers saying that your basic beliefs are wrong (or even that you are a bad person).

[djloche]

Twitter has a great feature of showing you the @reply messages by the people you follow, only if you follow that same person as well.

For example, if you sent me an @reply message to me ( @djloche ) that message would only show up in the feeds of your followers IF they followed me as well. This means you can have a conversation about the latest film with me, the party last night with your co-workers, and a pancake recipe with a friend that really loves pancakes - and there won't be any cross conversation unless there is a natural crossover in the social groups.

[schoen]

I guess that helps quite a lot in preventing group conflicts from getting out of hand accidentally. It seems like a weaker control if someone is deliberately trying to get involved in a conversation where other people would see them as unwelcome.

[hvs]

They can all choose to block him, though. And they don't need to include him in their replies.

[GI_Josh]

That's a good point, that is clearer to what the article is trying to say.

Defining a community by its ability to exclude is interesting. Twitter just puts the impetus to exclude on a personal level (person A blocks person B) rather than on a community level (person B is banned from this IRC channel)

[schoen]

Yes, I think that's right. And some unmoderated mailing lists and newsgroups have also favored that approach (with killfiles), but even there there is potentially a stronger threshold for joining (you have to deliberately subscribe to the list or group) and stronger recourse for extreme misbehavior (at least on mailing lists, where someone can be banned from the list).