Added reading for week 5
Added reading for week 5


Former-commit-id: c4845f11b9f8c2ff8157292b4b95bdfdb5fc9735
Former-commit-id: 91fc540bdceb8b26fb995b9b69d34b13925ab24c
Former-commit-id: f6595ea9f778fe001c023736e7b03844ae17b8a0
StanfordHCI/cs247,StanfordHCI/cs247,StanfordHCI/cs247