Should mobile phones be used in the classroom?

http://www.telegraph.co.uk/technology/3358331/Mobile-phones-boost-school-standards.html

http://blogs.independent.co.uk/2011/11/09/don’t-ban-mobile-phones-in-schools-let-students-use-them-all-the-time/

http://www.guardian.co.uk/teacher-network/2012/sep/10/mobile-phones-classroom-teaching?INTCMP=SRCH

http://www.usnews.com/education/blogs/high-school-notes/2011/10/26/teachers-use-cell-phones-in-the-classroom