Tumblr had 42 hours of downtime in 2011 alone - http://allthingsd.com/20111215/tumblr-had-42-hours-of-downtime-in-2011-and-thats-an-improvement/ http://allthing

Tumblr had 42 hours of downtime in 2011 alone - http://allthingsd.com/20111215/tumblr-had-42-hours-of-downtime-in-2011-and-thats-an-improvement/ http://allthingsd.com/20111215/tumblr-had-42-hours-of-downti....