Social Listening technology is make it's presence felt in the B2B maket. The consumer industry has been doing it for your years. Want to see the dark side of all of this, watch The Great Hack on Netflix.
LinkedIn is the only social media platform which does not allow any of this tech to "listen" to what is being posted.
There ways you can do this though. Sales Navigator is one option, whilst not as sophisticated as Brand Watch or Microsoft AI Market Insights, it does the basics well enough.
You can "Listen" on LinkedIn also.
You can listen to what people have posted and also where they have been tagged in a post.
You use the "Content" search filter.
Here is how.
Most of the successful people I've known are the ones who do more listening than talking - Bernard Baruch