Seeing the headline, I thought 'one free interaction' was some sort of free-trial business-model analysis.
Clicking through and seeing the context was UI, I then thought 'one free interaction' was perhaps some sort of first-time-confirm of major or dangerous operations, or a way to walk people through key steps once before they're really used.
Turns out it's something else entirely... that's misnamed. I suggest instead 'playful interfaces' or 'fidget-friendly interaction'.
Clicking through and seeing the context was UI, I then thought 'one free interaction' was perhaps some sort of first-time-confirm of major or dangerous operations, or a way to walk people through key steps once before they're really used.
Turns out it's something else entirely... that's misnamed. I suggest instead 'playful interfaces' or 'fidget-friendly interaction'.