Respuesta :

If you're hiding behind your computer screen or your phone screen, then you aren't scared to say something mean to someone or talk bad about someone to someone else but when you're confronted by that person, you try to lie and say you never said those things so that person won't be mad at you because you don't have the ability to tell someone you have a problem with them to their face. 

It impairs face-to-face communication for some, and assists it for others.

it Impairs some because they are most likely around you.

It assists some because people can communicate even if there across the country