Hacker News Reader

95% of WhatApp's messages don't event hit a disk and are served from memory. It would take big architectural changes to be able to mine them. (info from the erlang factory slides)

View on HN

That's an interesting stat. How do you think FB will get an ROI on the 19B ?

EDIT: Also, do you think FB would/could man-in-the-middle the traffic a la NSA? No architectural changes to whatsapp are needed. FB could save and fwd the traffic. Crunch later.

It could be the difficult to quantify ROI of strategic benefit from keeping it out of the hands of Apple, Google, MSFT, etc

$19B, to keep competition at bay, rather than use it to innovate? When your main product is advertising? Silicon Valley is circling the drain...

See Microsoft and Skype for proof that lots of resources fixes these "problems" quickly.

Reply on news.ycombinator.com