The two hour downtime is the longest one to date after Twitter was interrupted for one hour in October 2011. This downtime translates in about 28 million tweets (average calculated count for two hours) not being posted. Instead Twitter users turned during this period of two hours to other social networking sites such as Google+ or Facebook to notify about Twitter’s downtime.
The bug was fixed and the site can now brag with approximately 0% downtime. Since Twitter is a big site that has roughly around 140 million active users everyday it gets a downtime of 0.04%. But that’s to be expected. Twitter’s big white whale was not shown during the blackout. The site just timed-out. Only few people got to access Twitter for a very short while and then the site was down again.