When you are discussing something with someone especially over chat
and have written say around 10 sentences there. And now suddenly you want to mention or talk about something else. I feel it's not a good idea to simply ping a piece of next 10 lines which have no connection with the earlier 10 lines.

What should be sandviched in between? Should I write separate topic before beginning to write the other 10 lines or is there some other better way to begin writing about different topic?

  • 1
    You can always say, Changing the topic, have you heard about the new teacher..., etc. Here are a few more tips.
    – fev
    Commented Jul 5, 2021 at 19:49

2 Answers 2


If the new topic is still somehow related to what was said or written before (and that’s likely, I think, because that would ensure smooth and natural conversation or chat), you can use the phrase “speaking of which.” Note that it pertains to an idea or a single noun that was expressed in a prior sentence. For example,

Husband: The Johnsons have been married for about a year now!

Wife: Wow, really? I could have sworn we were just at their wedding yesterday.

Husband: Speaking of which… did we get round to sending them a wedding gift?

More about the phrase and its use is here https://grammarhow.com/speaking-of-which/.

By the way, you can also use “by the way” to introduce a new topic.

  • 1
    Good answer. Also, “Which reminds me,” “Now that you mention it,” and quite a few more.
    – Davislor
    Commented Jul 5, 2021 at 23:05

When I discuss over chat I often use similar phrases that I would use in speech. In this case of changing the subject, common phrases like "by the way" or "oh, did you see…" are natural.

There are ways to be verbose about deliberately changing the subject too. "Just to change the subject" works to indicate that you want to talk about something different.

If you think your friend would also like to talk about something else, then you can say "let's talk about something else."

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