um so there's not i mean doors don't have latches on them people don't tend to knock you just if there's a door closed you open it because it's in your way you people walk in and out and as a as a westerner in India i was often surprised and felt my sense of privacy there was quite invaded
In India, people open closed doors without knocking.
What constitutes the cumulative part of the technology are the techniques for aggregating the information and ensuring sufficient comparability and quality.