Chang Wang @chang-wang Active 16 hours, 27 minutes ago ActivityProfileSites 1Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Chang Wang's profile was updated 3 months, 1 week ago Chang Wang's profile was updated 9 months, 3 weeks ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio