Twitter's Jack Dorsey doesn't use a computer or a tablet, apparently

You think you really need that shiny new MacBook Pro? Well, if Jack Dorsey can run Twitter and Square — both multi-billion-dollar companies — without a computer, laptop or a tablet, then you probably don't need one, either. 

So how was this incredible fact discovered? Well, Dorsey's tweets do typically seem like they're all posted from a mobile phone. So Quartz reporter Dave Gershgorn straight up asked Dorsey whether he uses a computer or a laptop, to which Dorsey simply replied "no."

Later in the thread, Dorsey was asked whether he at least uses a tablet, but the answer was, again, negative.  Read more...