Julie188 writes "That was probably the only time "DNS" will ever be a trending term on Twitter . The cause was Facebook's 2.5 hour outage on Thursday, which incorrectly told users trying to access the site that a DNS error was to blame. In truth, experts who've read Facebook's explanation say that the site went down because Facebook gave itself a distributed denial-of-service attack when a system admin misconfigured a database. So why was DNS blamed? The 27-year-old communications protocol has been known to cause other, somewhat similar outages." Read more of this story at Slashdot. </img> </img>