RRB NTPC 2021 · Question 127 of 131
WhatsApp Messenger is an American freeware, cross- platform centralized messaging and voice-over-IP service owned by Facebook, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. It was released on 3 May 2009.
Source: RRB NTPC Memory Based Model Paper Based on Feb 11 Exam — IBPSGuide · memory-based
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