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Re:Promotion of alternative social platforms policy by troydavis on Sunday December 18, 2022 @01:22PM (#34040709)
> mostly because they don’t have dominance in any market.

Keep in mind that at least the FTC generally considers a market to be, roughly, goods and services that are close substitutes for one another[1]. That is, if one good or service can be substituted for another, those may be in the same market. However, as the FTC's summary says, "evidence that customers highly value certain product attributes may limit their willingness to substitute other products." The size and breadth of a network is a product attribute that affects a customer's willingness and ability to substitute any other product.

For anyone else into this topic, "Antitrust and Social Networking" (2012) is a good place to start: https://lawecommons.luc.edu/cgi/viewcontent.cgi?article=1188... (PDF).

[1]: https://www.ftc.gov/advice-guidance/competition-guidance/gui...

Re:Promotion of alternative social platforms policy by KarlKemp on Sunday December 18, 2022 @01:24PM (#34040752)
Twitter’s inclusion of Facebook points to the idea that they consider it a competitor, and would be one far larger.
Re:Promotion of alternative social platforms policy by ummonk on Sunday December 18, 2022 @01:55PM (#34041298)
That doesn't mean Facebook is a substitute for Twitter (it obviously isn't).