Never forget (try not to repeat)
As sport in the Twitterverse, destroying Justine Sacco should bother all of us
The former IAC corporate communications staffer breaks her silence, says she's "ashamed"
Barry Diller's media company released a statement saying it has "parted ways" with its corporate communications staffer
The company says their tweet is not within the company's policy and under review
The self-described troublemaker has landed herself in a spot of trouble