10 Reasons to use Cell Phones?

Are these legitimately good reasons for using Cell Phones?

Reasons to use Cell Phones straight from World of Media:

1. Student response polling or pop quizzes
2. Find definitions, currency conversion, math equations, translations
3. Use as an Internet browser to access information
4. Research
5. Read news articles and current events
6. Read books
7. Download and use education programs such as Google Maps and use as GPS
8. Use as a digital or video camera to accompany school projects, publishing, etc.
9. Educate students on appropriate and acceptable social use
10. Use the voice technology to share engaging lectures or lessons