3 publicly visible posts • joined 7 Oct 2011
As it happens WhatsApp is also based on XMPP.
But they're not buying the technology, they're buying the users.
https://www.youtube.com/watch?v=kOil2HSDq0E
TinEye is pretty useful for this kind of thing.
I looked up their pic of Susan Sarandon and it was nicked from imagenesfotos.com. Terms of use say most stuff from the site is Creative Commons, but still require attribution, which they don't do.