New Delhi, July 22 -- Did you know, beyond the basic Notes app functionalities, it can also be used as a secret chatting hub on iPhone? Yes, you can easily transform the app into a chat room with the app's collaboration feature. Similar to how we collaborate on the Google Doc, the iPhone's Notes app also lets users share a particular note with others. While it can be a good tool for brainstorming, making grocery lists, and others, users can also secretly chat using this hidden Notes app feature on iPhone, especially smart souls cheating on their partners. This will keep user privacy intact, as no one will suspect, since it will simply look like you're taking notes. If you also want to take advantage of this hidden feature, here's a step-b...