I recently had the chance of watching Coldplay perform live in concert as a part of their A Head Full of Dreams tour at the FedExField in Maryland, USA.

Coldplay is known to give the attendees Xylobands, which is essentially a wristband containing lights that can be controlled by a software program, instructing it to light up or blink, for example. As per Wikipedia, “The first use of Xylobands on a large scale was on Coldplay’s 2012 Mylo Xyloto tour”. Needless to say, the Xyloband works wonders in a concert setting.

As a student of HCI, I wondered what effect…

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