By the way...

Meaning

To add a piece of information casually.

Examples

• John: So, how was your trip?
• Alice: It was great, thanks! <b>By the way</b>, did you see the new movie?
• John: No, I haven't. Is it good?
• Alice: It's amazing! You should see it. <b>By the way</b>, I have something else to tell you.