@yukijoou
If You have a data plan in any EU country, the plan still applies when visiting a different EU country. Before 2017 local providers could (and did) apply extra roaming charges:
https://en.wikipedia.org/wiki/European_Union_roaming_regulations
@marcohackney

@_elena
isn't running their own instance at https://ec.social-network.europa.eu/about kind of launching/funding a social media platform
(i know, an instance doesn't make a whole platform...)
Have fun at #FOSDEM
@euronews