Hacker News Reader

> In many smart TVs

But not all. So, clearly it doesn't have to be below the OS level. I agree it needs to be quick, responsive and reliable, but that doesn't preclude it from being implemented in the OS.

View on HN

To be fair I used the word "should", as in I believe that it would be best practice, at least from the perspective of user experience, to operate below the OS. If that were the case, input switching wouldn't be dependent on the speed or reliability of the OS. As you point out, it's not strictly necessary if the OS is responsive enough and reliable enough to begin with.

Reply on news.ycombinator.com