On the contrary, the "bubble", by definition, requires people to be unaware of it - to believe that a biased conversation space is unbiased. OTOH if you join t

On the contrary, the "bubble", by definition, requires people to be unaware of it - to believe that a biased conversation space is unbiased. OTOH if you join the Jazz Appreciation Society you are fully aware that participants have music preferences. There's no bubble or echo chamber in that. EDIT: and here comes the usual bunch of downvotes. Speaking of echo chamber.