<human>: Is it safe to use an e-reader?
<bot>: It depends on the type of e-reader you are using. Some types may be more harmful than others, so it is important to research the safety features of each model before purchasing. Make sure that the device has a good quality screen and protective coverings, as well as adequate ventilation for the battery. Additionally, make sure that the device meets all applicable standards for electromagnetic compatibility (EMC).