famous for 15 minutes "famous for 15 minutes" is a saying by Andy Warhol meaning that in the future everyone can be famous for 15 minutes in their life. This saying has been used in the advertising of Heathrow Express trains which only take 15 minutes. This advertising could be viewed here https://www.dailymail.co.uk/news/article-3353586/Heathrow-Express-axe-15-minutes-advert.html Does this saying in this advertising mean "everybody can be famous for 15 minutes in these trains" or "these trains are famous for their 15 minute travels"?