Restating point 1: Narrative: Researcher (coder) visits a webpage. Coder enters the URL to subject wiki, chooses date wished to be viewed. Website renders subject wiki as existing on date. Coder is presented dropdown lists of existing pages and date picker.
Other features: * Coder can navigate wikipages while maintaining the wiki of chosen date.
Restating point 2: Narrative: Teacher visits webpage. Teacher enters URL to subject wiki, chooses starting date and ending date. The webpage renders the total difference between starting date and ending date for a page of the subject wiki. Teacher is provided with a dropdown menu of available wiki pages.