Scary (and not in the terrorism sense). The stock market is completely automated now, and this is all it takes to cause a major disruption. http://blogs.wsj.com/moneybeat/2013/04/23/stocks-plunge-quickly-recover-on-fake-tweet/

Also, if even the AP can’t keep an account secure, what hope do the rest of us have? We need a replacement for passwords that’s safe and yet easy to use.