Weak Password Brings 'Happiness' to Twitter Hacker
...password-guesser at a popular user's account. The user turned out to be a member of Twitter's support staff, who'd chosen the weak password "happiness." http://blog.wired.com/27bstroke6/2009/01/professed-twitt.html
great stuff, twitter got for free what would have cost them 20k+ from any other pen test shop
