Use of high-speed Internet by rural Iowans has increased 11 percent over the past two years, and 57,000 people living in the countryside use broadband to work from home, according to a report today from Connect Iowa. According to the report, 36 percent of rural Iowa Internet users take online classes or conduct research for schoolwork, about 66 percent of adults subscribe to broadband service at home, 40 percent subscribe to mobile broadband service through a cellphone or a mobile device (compared with 53 percent of urban or suburban Iowans), and 31 percent do not subscribe to broadband because they do not feel such service at home is relevant or useful to them.