THE SMART 2 POSTER A New Urban Technoscape Component ANTONELLA FRISIELLO | Mobile & Usability Research Unit

MOBILITY: an extended vision

The SMART 2 POSTER 420 x 200 cm

The design process Defining goals Reviewing current data Collecting user requirements Iterative Prototyping User test Field trial Feedback and further steps Interaction design System architecture

Starting from the need How to inform the citizens about the trends and politics the city is focusing on within the Smart-City initiative? How to stimulate new interactions between individuals and public? How to support the discovery of local opportunities ?

Usage scenarios

Graphic design

The system architecture NFC reader/writer Internet NFC P2P mode NFC R/W mode Smart 2 Poster Shared screen Smart 2 Poster Server NFC

Interaction

Users’ feedback Different perceptual characteristics have been tested in laboratory with users : Metaphors Place-marks(shape, size, colours) Typography Usability issues have been focused: NFC antenna placement Response time Intuitiveness of the gestures Instructions and hints

In the wild The peak audience was recorded on the Saturday, with more than 3,000 people visiting the area. People interacting with the poster were: Mostly young students of the primary and secondary schools. The youngest were accompanied by one adult Boys interact more of the girls ( ) The adults we met where professionals

Results The collective scenario is more frequent than the individual one. People in front of the poster tend to start conversation (exploring the picture, commenting the topics,…). The groups tend to be small (3 or 4 people maximum; nevertheless they are more, such a class, or even among strangers) and homogeneous (especially per age). Micro-interactions composing the experience Individual Shared

Summarizing Smart2Poster proposes a tangible interactions with a familiar object through mobile devices. By using the visual design and the proximity technology, it attracts people that tend to spontaneously undertake conversations on the suggested topics. It is recognized as a familiar component of the urban scape, and in general not worrying since it does not propose technological complexities. Ir offers a very flexible experience, since it leaves people free to interact according to personal needs, time availability, natural attitudes… Being a situated smart-object, Smart2Poster helps people focus more on the physical and social context.

Further steps The stakeholders consider Smart2Poster an effective way to enrich already existing traditional communication tools and to design new form of communication with citizens. Further developments: System architecture improvement (cloud version) Design of service models in other fields of application Interactivity enhancement to: – Allow users to push requests, data, likes, … – Trigger actions on other connected devices (e.g. opening a door, printing a paper, …)