In my PKM workshops we discuss the differences between communities and networks. This includes the dark sides of communities as well as the constant doubt and outrage on social media. My general advice is to seek diverse perspectives in social networks but to seek more private, trusted communities for deeper conversations and understanding.
I use Twitter to show how to seek new ideas and opinions by selecting who to follow to create human knowledge filters. The list feature on Twitter is useful in following specific topics and fields. Following, or muting, certain hashtags can also refine what you find on Twitter.
The best feature of Twitter is that you do not have to follow people who follow you. The relationship is asymmetric, just like blogging. In addition, you can still set your stream of people you follow to “see latest tweets first” so that the Twitter algorithm does not decide for you. Of course you have to constantly switch to latest tweets, as Twitter prefers to feed its algorithm to you. Twitter is not your friend. You don’t have to be on Twitter, but I still find it a useful platform for teaching about online social networks. There are also, for now, third-party applications for Twitter, like Tweetbot.
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