Korean Grammar In Use – Beginning page 117, about “N마다” (each/every N).
In the case of the word 집, 집집마다 is used instead of 집마다.
요즘에는 집집마다 인터넷을 사용해요. These days, all households use the internet.
Really? I didn’t know that.
But then why did I get many hits when I searched Google News for “집마다”?
Mmm… misprint? Maybe they’re both acceptable? Mystery… 정말 수수께끼, 수수께끼예요.😀 ###