...大学盖莱默（Purdue Calumet），普渡大学哥伦布（Purdue University Columbus）,普渡大学温莱堡（Purdue University Fort Wayne）,普渡大学印第娜玻里（Purdue University Indianaqolis）,普渡大学中北校园（Purdue North Central Campus）,在校学生总计约6600...
Another study, from Indiana University-Purdue UniversityFortWayne found that 89% of undergraduates were so connected to their smartphones that they experienced phantom phone vibrations at least once every two weeks.