[Nextgrid]

Economies of scale would make it profitable considering WhatsApp doesn’t even have to host anything, just relay messages, and since it’s a private platform there are no moderation expenses either.

[arthurcolle]

I don't think that's its not hosting anything...

http://www.erlang-factory.com/upload/presentations/558/efsf2...

[0b0001]

You can share files with a maximum size of 100MB. And if I'm not mistaken, those are hosted and available without expiry date.