While at Google, where he worked on various e-commerce initiatives such as Google Pay in Singapore and the design of the ill-fated Google Plex in the US, Aman Narain got into the habit of making lists.
A Google document was kept open where Mr Narain would “obsessively” keep track of “things I was learning along the way”, and areas where he would think: “If only I’d known this when I was in banking before.”