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The word “groovy” was 'popular' in the 1960s but it's outdated now.
(..) with the mayor. Well, that's your department. Anyone shown him the crime stats? He goes by his gut and it continues to bother 'im, no matter what the numbers. Must be popular with his wife. Not really. She took the kids and left for Cleveland. He'll have plenty o' time for visits. - Really? (..)2012 The Dark Knight Rises