Soon, users could smell Twitter notifications

 A futuristic system, Sensabubble, could alert you for Twitter notifications with little scented bubbles.

According to CNET, Sensabubble is a system that allows colors, text, and icons to be projected on bubbles that are filled with scent ed fog.

Sriram Subramanian, professor of human-computer Interaction in the University of Bristol Interaction and Graphics group has made a prototype of Sensa bubble, for Twitter notifications, but the model is not portable.

Subramanian explains possible usage of the device in museums, advertising, alarm clocks or education. 
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