The circus will be back 'by popular demand' [=because many people want it to come back] later this summer.
Because of 'popular demand', the restaurant has published a cookbook of favorite recipes.
The word “groovy” was 'popular' in the 1960s but it's outdated now.
(..) until you smile! Leonardo, tell me one thing I have to smile about. The sunshine, the pasta. All the things that make Italy such a popular tourist destination! But I have not seen any of them, Leonardo! Because I'm sitting here all day on my I don't think that means (..)2014 Mr. Peabody & Sherman