The casual wear (which CEO Mark Zuckerberg still embraces even when meeting with the suits in New York) has become a bit of a status symbol there.

CNN: Doug Gross,

"That kind of activity I think is something of a symbol of an organization that is getting a bit desperate, " Renuart said.

CNN: Iraq promises more suicide attacks

"That kind of activity I think is something of a symbol of an organization that is getting a bit desperate, " said Renuart.

CNN: Iraq promises more suicide bombings