“…In recent years, adolescents have engaged more and more with technology, spending hours online, on social media, texting, and gaming on electronic devices including smartphones and tablets (Lauricella, Cingel, Blackwell, Wartella, & Conway, 2014; Perrin, 2015; Rideout et al, 2010), activities that we define as “digital media.” As generations become more digitally native, their comfort level with (Van Volkom, Stapley, & Malter, 2013) and use of (Taipale, 2016; van den Berg, Arentze, & Timmermans, 2012) digital media increase relative to that of previous generations. However, data on the amount of time teens and young adults spend in these pursuits are thin, often based on small samples (Hanson et al, 2010; Janusik & Wolvin, 2009; Kayany & Yelsma, 2000; Lauricella et al, 2014), over relatively brief time-spans (Hall, Kearney, & Xing, 2018), collected primarily for market research (GfK, 2014; JWT, 2012; Newell, Genschel, & Zhang, 2014), on only one type of media (Lenhart et al, 2015; Twenge & Park, 2018), or not updated every year (Common Sense Media, 2015), leading to outdated information (Rideout et al, 2010). Moreover, few studies track media use over the years among the same age-group using the same questions.…”