LEHMAN COLLEGE–In just seven years, access to digital devices has risen substantially, with 77 percent of Americans using smart phones in 2017, according to a Pew Research Center report, up from just 35 percent in 2011. Smartphone use is nearly universal among younger adults, the report adds, with 92 percent of 18- to 29-year-olds now owning one. We asked Lehman students what apps they find indispensable to navigate their lives both on and off campus.