His focus on Somalia and Yemen -- which accounted for more than 17 minutes of the 25-minute address -- is a departure from the topics of his previous messages.

CNN: Latest 'al Qaeda message' focuses on Somalia

Other U.S. officials say there are reasons for skepticism about the e-mail, noting that it is unlike some of the previous messages from Pearl's kidnappers, in which photographs were included to prove the senders were in fact holding him.

CNN: Conflicting reports on missing reporter's fate

Serrano said he does not know Morales but believes he is responsible for previous threatening messages.

WSJ: Arrest for anti-gay Twitter threat in Puerto Rico

Ms Mills sent text messages to a previous partner during the argument, telling him "I still love you" and "I wish I had never let you go".

BBC: Michelle Mills killed Edward Miller 'in a rage'

One efficiency increaser for me in the native app are the double arrows in the top right corner that appear while reading messages that let you move to the previous and following message without revisiting the inbox.

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They are able to code and sort these messages by project, making it easy to reference previous conversations and incorporate comments into reports, etc.

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While on the shows she directly addressed the previous lack of a mobile strategy and she announced a feature that allows users to send and receive texts with FB messages.

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