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However, it's not clear if limited use is, in part, due to lack of learning about the device's functionality. We recruited 10 diverse families to participate in a one-month deployment study of the Echo Dot, enabling us to investigate: 1) which features families are aware of and engage with, and 2) how families explore, discover, and learn to use the Echo Dot. Through audio recordings of families' interactions with the device and pre- and post-deployment interviews, we find that families' breadth of use decreases steadily over time and that families learn about functionality through trial and error, asking the Echo Dot about itself, and through outside influencers such as friends and family. Formal outside learning influencers, such as manufacturer emails, are less influential. Drawing from diffusion of innovation theory, we describe how a home-based voice interface might be positioned as a near-peer to the user, and that by describing its own functionality using just-in-time learning, the home-based voice interface becomes a trustworthy learning influencer from which users can discover new functionalities.<\/jats:p>","DOI":"10.1145\/3380993","type":"journal-article","created":{"date-parts":[[2020,3,18]],"date-time":"2020-03-18T18:54:31Z","timestamp":1584557671000},"page":"1-23","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":34,"title":["Assumptions Checked"],"prefix":"10.1145","volume":"4","author":[{"given":"Erin","family":"Beneteau","sequence":"first","affiliation":[{"name":"Information School, University of Washington, Mary Gates Hall Suite, Seattle, WA"}]},{"given":"Yini","family":"Guan","sequence":"additional","affiliation":[{"name":"University of Washington"}]},{"given":"Olivia K.","family":"Richards","sequence":"additional","affiliation":[{"name":"School of Information, University of Michigan, North Quad, Ann Arbor, MI"}]},{"given":"Mingrui Ray","family":"Zhang","sequence":"additional","affiliation":[{"name":"University of Washington"}]},{"given":"Julie A.","family":"Kientz","sequence":"additional","affiliation":[{"name":"Human Centered Design and Engineering, University of Washington, Sieg, Seattle, WA"}]},{"given":"Jason","family":"Yip","sequence":"additional","affiliation":[{"name":"University of Washington"}]},{"given":"Alexis","family":"Hiniker","sequence":"additional","affiliation":[{"name":"University of Washington."}]}],"member":"320","published-online":{"date-parts":[[2020,3,18]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chb.2013.02.006"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300473"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/3264901"},{"key":"e_1_2_1_4_1","volume-title":"Designing Interactive Speech Systems: From First Ideas to User Testing","author":"Bernsen Niels Ole","unstructured":"Niels Ole Bernsen , Laila Dybkj\u00e6r , and Hans Dybkj\u00e6r . 1998. 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