Chang Wang @chang-wang Active 1 month 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 4 months, 1 week ago Chang Wang's profile was updated 10 months, 4 weeks ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio