1. people do not interact face to face
2. texting while holding a conversation interferes with the conversation-lack of eye contact, lack of total attention
3. No one goes out to play and use their imagination
4. conversations become artificial in that cmplte wrds r nt usd 2 sa wat is rittn. So the language starts to break down. give examples, idk= I don't know, etc.
5. People email, twitter, facebook, chat, stc, and the personal conversations with privacy are lost.
People need face to face conversations to maintain the language. See the expressions, hear the melody of the speech (prosody).
Google your topic or Yahoo it and see what you find.