So you think that anyone born before 1980 must be dead or incapable of switching on a radio ?
Um no... That's not what I said at all. What I was saying is that Britney is the only one on that list I believe would be known by people of all age groups.
Madonna, while hugely successful, is not well known by the younger population. I believe the large majority of people from five year olds to ninety five year olds have heard of Britney Spears for various reasons.
Thanks for the oddly hostile response though.