We expect margins will be lighter as Facebook is hiring aggressively to support the development of a host of features including gifts, Graph Search, custom audience and app-install ads.

FORBES: All Eyes On Facebook's Mobile Growth And Graph Search Progress

There will be close to 50% growth in costs, and margins will decline as Facebook intends to hire aggressively to support the development of host of features including gifts, graph search, custom audience and app-install ads.

FORBES: Facebook Survives Earnings Scrutiny With Ad Growth And Expansion Efforts