jon erlichman, david menlow, thank you. >> today marks the start of the world mobile conference in barcelona. .e are there caroline is moderating a panel there. i was interested, what was your biggest take away from the panel? koomb, the rock star, he is the man that everyone wanted to hear from. when he got to the stage, there were cheers, everyone tuning into with the newly didn't did -- minted billionaire had to say. he had a surprise announcement when we were chatting earlier. it is that they are building on whatsapp services. they will start to incorporate voice. these developers out there taking away revenues to range from others by offering 99 census year, messaging and calls. that was the key take away from this announcement coming from jan koum. and also, the way that he continues to be surprised by the 416 users -- 460 million users they have now got. he talk about his pricing structure and how that may have to change now that facebook has bought it? >> he says no change. they will remain independent. that is what he was trying to get across, even though he is selling out $19 billi