2017: https://ihpi.umich.edu/news/your-cell-phone-10-times-dirtier-toilet-seat-heres-what-do-about-it https://ihpi.umich.edu/news/your-cell-phone-10-times-dirti

2017: https://ihpi.umich.edu/news/your-cell-phone-10-times-dirtier-toilet-seat-heres-what-do-about-it https://ihpi.umich.edu/news/your-cell-phone-10-times-dirtier... > One of the worst places to use your phone is in the bathroom, Martin and Whittier both agree. When toilets flush, they spread germs everywhere, which is how phones end up with fecal bacteria like E. coli. “Taking a cell phone into the bathroom and then leaving with it is kind of like going in, not washing your hands and then coming back out," Martin says. "It’s the same level of concern."