by the way

1. In passing, incidentally, as in She's my wife's cousin, and by the way, a good friend . [Mid-1500s]

2. Parenthetically, in addition, as in We saw Mary last week, and by the way, did Tom call you ? [Early 1600s]

Example Sentences

“I needed to be included so I jumped in. And by the way, I’m so glad I did.”

From Los Angeles Times

You can tell they prepared very well for Saturday's game by the way they started and broke the Wallabies down.

From BBC

At his trial, Mr Blake said he had feared he or his colleagues could have been killed or injured by the way the car was being driven.

From BBC

Evangelical leaders, by the way, are terrified of this message.

From Salon

“All of the sudden, the Democrats, and they are good at this stuff, by the way,” Trump said, “he mentioned Puerto Rico and they made it like a big deal.”

From Salon