exec justine sacco sent out that tweet she is out of a job and apologizing. on sunday she issued this statement saying "words could not express how sorry i am and how necessary it is for me to apologize to the people of south africa who i have offended due to a needless and careless tweet for being insensitive to this crisis and to the millions of people living with the virus, i am ashamed." she was hid of pr for iac owned by dairy diller that operates "the daily beast," college humor and match.com. on saturday, the company says sacco is no longer a good match, firing her. the now former pr exec found herself the target of a social, media mob on friday sending out that tweet right before logging 0 offline while on her 12-hour flight from london to native south africa. >> not only is this a publicist's worst nightmare, any public figure's worst nightmare.