7. *D*. step-by-step outline of a program using informal language 8. *A*. Offering consulting services 9. *A*. hacking 10. *D*. projector 11. *D*. handwritings, drawings and inputs 12. *D*. address book 13. *D*. strikethrough 14. *C*. rehearse feature 15. *C*. Firewall 16. *C*. 10