I think this is true because the current one is a phone, it can do everything, such as watching tv. Play social network, etc., may also make future online ads to width.
I think that is true, because currently there is only one phone can do everything, such as watching TV, playing social networks. So it may make online advertising more heavily in the future.
I think it is true because the current having a phone can do, such as watching TV, playing media On may make online advertising in the future will widen greatly.