Why WhatsApp and Instagram are just names now
There is no mastodon, only ActivityPub. Mastadon just refers to the graphical user interface.
If the Federal Trade Commission ever planned to compel Facebook to spin out WhatsApp and Instagram — a big if, I know — you can imagine the company explaining that there was no longer such a thing as “WhatsApp” or “Instagram.” Going forward, those names will refer only to their respective graphical user interfaces. Behind the curtain, there is only Facebook. It’s a characteristically savvy — and ruthless — move from Zuckerberg and his lieutenants.
