Those students will then retype that passage at the start of each online session, with Coursera able to check typing speeds and rhythms to ensure that the same registered student is at the keyboard each time.
The service, which allows Oxfam's 700 shops to post vintage items for sale online, was set up three years ago after the charity noticed more people were typing the word "vintage" into the website's search box.
"Relying on an automated process is remarkably lax and typing key words into Google can show up illegal sites quite quickly, " says online security adviser, Reg Walker.
While typing these goals, they simultaneously create the beginning of their grown-up selves by establishing online portfolios of their own work in their field.