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Background: #Meta had outlined in depth how all other instances of personal data cross-use and combination across services have now a real consent screen included that enables people to choose data use or "less personalised but equivalent" alternatives; aka not paid (as required by DMA Art 5.2).

Just not for #surveillance ads, presumably because this would impact Meta's bottom line.

Next on in #Meta's #DMA compliance workshop:

#WhatsApp #interoperability

#Meta lobbyist: "Nothing in this space is as secure and tried and tested as the #Signal protocol."

CC @signalapp

Ouh, so I just asked #Meta/#WhatsApp whether #interoperability with @matrix (should they request it) would apply to @element Inc, the Matrix.org reference server, or the entire federation?

Answer: probably the legal entity, so either Element Inc or the Matrix Foundation. I assume they would have to choose which server this includes.

But (did I hear that correctly?) the Meta person almost sounded as if a broadening to the federation could potentially be envisaged in the future.

In any event, it sounds like #WhatsApp is planning to make #interoperability opt-in only; but not in the way I suggested, which is give WA users a yes/no button when a non-WA user asks to connect, just like #Signal does already for Signal users.

I interpret #Meta's response to my question as meaning that WA users will have to actively switch on interop in the settings before people can ping them.

@ilumium and what about groups? we all want to participate in #LeSweatAGabin threads localy using a matrix client ;D !!