Github user r-kamath commented on the issue: https://github.com/apache/zeppelin/pull/2848 @Savalek Thanks for this new feature. IMHO it will be nice to have an option to turn on/off the collaborative mode and a way to show the number of users collaborating. something like <img width="72" alt="users" src="https://user-images.githubusercontent.com/2031306/39687878-e8700a46-51ed-11e8-846a-842238b7d8d8.png"> with a proper tooltip.
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