At the end of 2022 PubMed launched the "Proximity operator" feature. At the end of 2023, it would not be surprising to find that no one in India (or only a few) is aware of this. Proximity operators - available in most databases that we have to pay for, make searching much more relevant, when we search for terms like "Under developed countries". When we search these with the tags [ti] or [tiab], we are searching for the term as a phrase. When we search them with a proximity operator, then we are searching for the terms being near each…