a) Tick the phrases that a teenager of the 1960s would

a) Tick the phrases that a teenager of the 1960s would find difficult to understand.
-to mail a letter
-to check the e-mail
-to text messages
-to leave a message
-to SMS friends
-to log on a site
-to listen to music
-to download music
-to visit chat rooms
-to run websites
b) Choose one of them and explain what it means. Try to use quot;simple languagequot;