brian wheezer interlaces the companies that pivotal research.rough the noise. , how many ofhese these will be able to survive over the next couple of years? >> a least a few but there are dozens of companies that are at least as big as these that are private. most investors are completely unaware of them. the problem is people are unaware of how competitive the space is. are there any real business plans? >> absolutely. this is the infrastructure. buying and selling digital advertising is expensive. the labor involved is really hard. there is a lot of opportunity to make it easier. >> i agree that our attention span has diminished. a 32nd commercial seems to be just about done. where will we be in five years? am i going to enjoy a five second message in 2020? >> i think if it is strong enough, yaks. -- vines that tell you a story. >> what is dead on madison avenue? what is most dead? >> most dead is sprint. radio is treading water. you can look at traditional media other than tv is mostly treading water or dead. radio as theout one media thing t