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CHI '13 Extended Abstracts on Human Factors in Computing Systems
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To solve the problem of the current pairing method of wireless devices with button interface, this paper suggests a new way of pairing wireless devices in short distance with which it requires physically contacting them together, which we call Contact-and-Connect Interface. Through prototyping, we examined the usability of this new interface, and as a result, we realized that all of the participants recognized the pairing easily due to the following three factors: contact action, LED visualization of connection, and instant feedback of what is happening. We also figured out which external forms have better affordance for the contact action, and the ones having no sharp edges with a perfect fit worked best.