Send the following on WhatsApp
Continue to ChatISU professor uses smart phone app in place of textbook https://www.radioiowa.com/2011/11/28/isu-proff-uses-smart-phone-app-in-place-of-textbook/
ISU professor uses smart phone app in place of textbook https://www.radioiowa.com/2011/11/28/isu-proff-uses-smart-phone-app-in-place-of-textbook/