Typhoid Mary: A New Form of Adware (VIDEO) University of Calgary This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption University of Calgary computer scientist John Aycock describes Typhoid Mary adware. Credit Leanne Yohemas, Faculty of Science, University of Calgary Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.