A smoke test should not only be held for validating your business idea but also for features.
A coming soon after clicking on where the supposed feature would be could show you actual use.
What does the click actually mean
The click means interest, not actual use. A user could click this for a myriad of reasons. One could be for actually using the new feature or another, just as likely, would be curiosity.
Lets see what this shiny new feature does!
Reference
Smoke Testing: 5 Steps to Quickly Validate Your Ideas
Highlights or timestamps
For example, suppose an online media site wants to implement a “snooze my subscription” feature, but they don’t know if it will actually stop people from canceling. Instead of building out the full functionality on their site, they add a button and measure its clicks.
— ^e19f76 from Smoke Testing: 5 Steps to Quickly Validate Your Ideas