Other side [1] Many said phone numbers will continue to remain central to commerce and delivery operations. [2] Anyhow– to connect with the customer [for example during a doorstep delivery], phone number is required and if communication does not happen over WhatsApp, it will be SMS.[3] WhatsApp has been working on this feature for a few years and announced plans to launch it in early 2024. [4] This is optional feature [5] Cyber Security experts say allowing users to connect thru user names instead of phone numbers could reduce spam from businesses as well as curb digital arrest [6] A WhatsApp username key is an optional four digit code that adds an extra layer of privacy by requiring anyone contacting a user for the first time to know both the username and the key