Mark Zuckerberg on Messenger

On Dec 9, 2013, at 12:45 PM, Mark Zuckerberg wrote:

I've been thinking a lot about what a Messenger Platform might look like and wrote up all of my thoughts on this. I wanted to be thorough, so this is very long. Hang in there.

This work falls between two teams -- Messenger and Platform -- and as such I'm worried that we're not thinking about it enough or…