Here in brief is what happens to students who use cell phones in my class.

Here in brief, and in no particular order, are some very good pedagogical reasons for banishing electronic devices from the classroom. Not only is it better for you it is also better for your classmates and your prof.

http://www.desiringgod.org/blog/posts/six-ways-your-phone-is-changing-you

http://chronicle.com/blogs/linguafranca/2014/08/25/why-im-asking-you-not-to-use-laptops/

http://www.bostonglobe.com/ideas/2014/05/24/taking-notes-bring-pen-skip-computer/e3kGp47M7znyaNKOamUwrO/story.html

http://www.newyorker.com/tech/elements/the-case-for-banning-laptops-in-the-classroom?utm_source=tny&utm_campaign=generalsocial&utm_medium=facebook&mbid=social_facebook

http://noahtoly.tumblr.com/post/86852275493/why-my-students-wont-be-using-laptops-in-class-anymore

http://ideas.time.com/2013/10/09/why-i-banned-laptops-from-the-lecture-hall/

http://mobile.nytimes.com/2015/10/18/opinion/sunday/lecture-me-really.html

https://www.theatlantic.com/magazine/archive/2017/09/has-the-smartphone-destroyed-a-generation/534198/

The following two items refer primarily to children but the points are valid beyond the immediate concerns of the author:

http://www.huffingtonpost.com/cris-rowan/10-reasons-why-handheld-devices-should-be-banned_b_4899218.html

http://www.huffingtonpost.com/cris-rowan/technology-children-negative-impact_b_3343245.html