Stashed in: Square, @lizgannes, @evelynrusli
According to Evelyn Rusli's NYT Dealbook article on Square: http://dealbook.nytimes.com/2012/04/18/square-said-to-seek-250-million-investment/
Some previous Twitter stats I've stashed.
Note in particular Liz Gannes' excellent article on 4 tiers of Twitter users, which cited 100mm active users and 230mm tweets/day as of September 2011.
I never feel so accomplished as when I open a tough jar. ~Emma Watson
Twitter Plans To Use What You Follow And Tweet To Target MoPub Ads On Other Apps. Here’s How, by Josh Constine, TechCrunch
YouTube advertising revenue surges 50% to $5.6bn in 2013 - FT.com
Tumblr's inflection point came when CURATORS joined CREATORS.