If your iPhone can diagnose your medical issues, why not your legal issues?

But Hyun Gyu Park and Byoung Yeon Won at the Korea Advanced Institute for Science and Technology in Daejeon think touchscreens could improve the process by letting your phone replace the lab work. Park suggests the lab-on-a-chip could present a tiny droplet of the sample to be pressed against a phone’s touchscreen for analysis, where an app would work out whether you have food poisoning, strep throat or flu, for example.